It tells the story of Reitaro Shinoya, a man who is forced to live a lonely life in his family because he cannot go beyond the rules of tape stuck at home, and his daughter Ichika who wants to solve the complicated family riddles with the goal of family regeneration.story.                                                   

Episode 1

The family of Ichika (Renka Iwamoto), a high school student who loves guessing, has had a strange rule since he can remember.That is, his mother Kazumi (Katama Moemi) decided that his father Reitaro could not go past the tapes posted everywhere in the house.

Ichika has not had any dialogue with her father since she can remember. Reitaro (Takezai Terunosuke) is forbidden by Kazumi to talk to mother and daughter, and is forced to live and eat alone at home in a dark and narrow room.Ichika has always felt strange about her family's situation.

One day when her 18th birthday was approaching, Ichika wanted to solve the mystery of her family, so she went to Reitaro to ask. Reitaro told Ichika that the reason why Ichika was taped was because Reitaro's words hurt her.And beauty.

Prince Taro wanted to talk to Kazumi in order to change the family situation, but because he crossed the tape, Kazumi took crazy actions.Unable to think about it, Reitaro confessed his family's situation to Sayoko Kurashiki (Ayame Mizusaki) who had saved him, and was gently comforted by saying "This is complete domestic violence".

Ichika hopes to save the relationship with Mei and Reitaro and restore the family.The mystery of the tape is constantly approaching, and there are "lies" that parents cannot tell.

Episode 2

In the home of Ichika (Renka Iwamoto), there is a piece of yellow tape dividing the family space into two.This tape was put on by her mother Kazumi (Katayama Moemi) under the influence of her father Reitaro (Takezai Terunosuke)'s words.Ichika longs for the rebirth of her broken family, so she begins to explore what happened between her parents.In order to respond to his daughter's wish, Lingtaro decided to explore the root cause of the breakdown of the relationship between the couple.However, as Kontaro crosses the tape, the family's collapse seems to become more and more uncontrollable.Ichika blames herself and thinks that all this is because she wants to solve the family mystery.

Under this circumstance, Ichika met Hikaru (Tanaka Gouki) who had transferred from Tokyo.They have the same interest - they all like to play the same guessing APP.Hikaru grew up in a single-parent family. In order to escape his mother's fanatical suitor, he moved to the small town where Ichika was.Ichika empathizes with Hikaru's situation. They both grew up in complicated family environments and escaped from reality by becoming obsessed with guessing.

As a result, Ichika confided to Hikari all the sense of disobedience in the family, and Hikaru suggested that we solve the mystery together and planned a certain plan for Ichika.

Then, the two began to work hard to reconcile Kazumi and Reitaro, who had not been in contact with each other for a long time.In the end, Kazumi decided to confront Reitaro and gradually got closer to the core reason for posting the tape.Is that piece of tape a revenge against Prince Taro, or is it Kazumi's unreasonable domestic violence?——.

Episode 3

There is a family photo in the room of Reitaro (Takezai Terunosuke) who lives alone.This photo is also an opportunity for his wife Kazumi (Moemi Katayama) to put tape on her home.Ichika and his classmate Hikaru (Tanaka Koki) pursue the mystery of the photo.

In the photo, Reitaro, Kazumi, and young Ichika have happy smiles on their faces, but part of them has been cut off.According to Kazumi, that was a warning to Reitaro.Although this photo seems to be related to “something”, when and where was it taken?What happened to them in the past?Ichika works with Hikari to find clues.

During this period, Kazumi suddenly started going crazy.Ichika's class teacher Ogino (SWAY) fanned the flames and convinced Kazumi that Ichika and Hikari were dating, so Kazumi forcibly took Ichika and broke into Hikaru's home.

Kazumi bluntly told Hikari and her mother that she hoped Ichika would cut off all contact with them from now on, and then left without any explanation.Light and mother were stunned.Hikaru's mother watched from the sidelines as Hikaru looked for a chance to talk to Ichika at a loss and began to contact Reitaro.

In fact, she began to quickly get close to Buntaro a few days ago. Hikaru's mother is Sayoko (Misozaki Ayame).

Episode 4

Reitaro (Takezai Terunosuke) conveys his sincerity to his daughter Ichika (Iwamoto Renka) that he hopes the three members of the family can eat together.However, when Kazumi (Moemi Katayama) sees Reitaro talking to Ichika, she becomes furious.The family is once again facing collapse.

On the other hand, Ichika discovers photos of a certain incident that led to Reitaro's room being taped.With the help of his classmate Hikari (played by Tanaka Yuki), Ichika begins to pursue the truth behind the photos.Hikaru notices that the background of the photo is the same as the Torii Zoo poster, deducing that the photo was taken in a corner of the zoo.A part of the photo was inexplicably cropped, and Ichika and Hikari deduced that the cropped part might contain clues.

The two went to the zoo together to find the specific location where the photo was taken and to investigate what the cut-out part of the photo was.

This scene was seen by classmate Kotonoha (Nami Mori).Kotonoha has always been jealous of the close relationship between Ichika and Hikari, so she instructed Daiki (Naruto) and others who like to bully classmates to bully Ichika.

Being bullied by her classmates and unable to gain Kazumi's understanding, Ichika couldn't help but lose control of her emotions.

Just when Ichika pushed Kazumi away and wanted to rush out of the house, Reitaro appeared in front of her——

Episode 5

Ichika (Renka Iwamoto) hopes that a broken family can become one again.She talks to her father Reitaro (Takezai Terunosuke), whom she has never spoken to before, and cooperates with her classmate Hikaru (Tanaka Koki) to uncover the mystery of her family.However, with Ichika's actions, her mother Kazumi (Moemi Katayama) loses control more and more.

At night, Ichika and Hikaru were talking on the school roof.Guang advocated continuing to actively promote the solution of “Photo Mystery”. Ichika remained uneasy and silent, confiding his contradictory inner world to Guang.She dreams that her family can live in harmony as before, so she is determined to solve the mystery of her family.However, as she gets closer to the answer to the mystery, the family seems to be falling apart more and more.

“It is really difficult to have a complete family...”Facing Ichika's crying, Hikari hugged Ichika calmly and encouraged her: “There is nothing we cannot know.”

Encouraged by Hikaru, Ichika is once again determined to solve the family mystery and sneaks into Kazumi's room.There, sleeping was a “family darkness” that she could not imagine...

Episode 6

Ichika (Renka Iwamoto) wants her family to be reunited again.However, the rift between the family members continues to widen.

Teacher Ogino (Sway) witnessed Reitaro (Takezai Terunosuke) and Sayoko (Misaki Ayame) spending a night in a love hotel.Ogino also investigated the dirty information that Sayoko was a sexy anchor, and forced Sayoko to take action - to separate Kazumi and Reitaro.

On the other hand, Ichika found a pair of little boy's shoes in her mother Kazumi's room. By checking the household registration book, she learned about the existence of her deceased twin brother.Faced with this shocking fact, Ichika couldn't accept it, so she went to Hikari's (Tanaka Koki) home to discuss it with him.However, while waiting for the light to arrive, Ichika witnessed an incredible scene.

Episode 7

In the process of solving the mystery of the tape, Ichika (Renka Iwamoto) learned that she had a dead twin brother.In order to tell Hikaru (played by Tanaka Yuki) about this, she went to Hikaru's home.

When Ichika was talking to Hikaru's mother Sayoko (Misaki Ayame), she accidentally discovered the last piece of the puzzle of the cut-out family photos that Hikari had been pursuing.

The shocked Ichika left and returned home, showing the photos taken to her mother, Kazumi (Moemi Katayama), trying to confirm the answer.

However, Kazumi asked Ichika where she saw it and called her dead twin brother Shoki's name, looking very flustered.

While Kazumi is in chaos, Ogino (SWAY) and Sayako, who have evil intentions, decide to implement “Plan” in order to break up the family.

At the same time, Hikari learned from the class bully Daiki (Kominato) and others that her mother Sayako used her “sexy English teacher” as a selling point and released a large number of marginal videos.

The video spreads around the class, and even Ichika receives the video, which makes Hikaru furious.He pushed Dahui away, rushed out of the classroom, and locked himself in the room alone.

Behind all of this, Kotonoha (Mori Hikami) planned to alienate Ichika from Hikari so that Hikaru would change her mind about him.Worried about the injured Hikaru, Ichika ran to Hikaru's house again, where she confronted the mastermind Kotonoha——

Episode 8

The mystery of Kazumi (Moemi Katayama) cutting out “family photos” was finally solved by Ichika (Renka Iwamoto), but the truth is so sad.

In order to achieve family reunion, Ichika and Hikaru (Tanaka Kouki) conducted a “family puzzle”.However, Ichika, who knew the answer, was hesitant to tell Hikari.Hikari, who doesn't know the truth, wants to help Ichika and expresses her love emotionally, but Ichika hides her true feelings with tears in her eyes and wants to push Hikaru away.

Ichika said "I'm going to give up on solving the puzzle" and then fell into depression alone.At this time, Aguang sent a message saying that he wanted to continue to solve the mystery of “familymystery”——

On the other hand, Kotonoha (Nami Mori) became angry because her plan to take away the light failed. She pretended to be a friend of Ichika and approached Ichika's father Reitaro (Takezai Terunosuke).

At this time, Reitaro accepted the request to date Sayoko (Misaki Ayame).Although both parties understand that both parties have families and that this unethical love will create estrangement in the family, Lingtaro, who has been lonely for a long time, still accepts Sayoko's confession.Sayako then talked about her painful past with her divorced ex-husband——

Ichika and Hikaru, Reitaro and Sayako.What will be the direction of the two intertwined pairs of children and their parents' respective love affairs, as well as the collapse of the family?

Episode 9

Before she grew up, Ichika (Renka Iwamoto) had always wanted to solve the mystery of the tape at home. She discovered that Hikaru (Koki Tanaka) was her twin brother.After experiencing confusion and trouble, Ichika confessed everything to Hikaru: “I'm sorry”, and Hikari responded: “Even so, I still like Ichika” and hugged her.

However, why did he become the son of Sayoko (Ayame Mizusaki) when he was supposed to be the child of Reitaro (Terumosuke Takesai) and Kazumi (Moemi Katayama)?In order to find out the reason, the two went to Ichika's home.

On the other hand, Prince Taro was asked by Sayoko to have a serious relationship, saying that he wanted to form a real family.Reitaro learned that Sayako had lost hope due to her ex-husband's tragic domestic violence and had made irreparable mistakes. In addition to being shocked, he also developed symptoms of hyperventilation. He went to Kazumi's residence.There, Reitaro saw a family photo of four people hanging in the living room. Xianggui was in the photo. Kazumi smiled and said: “Xianggui will be back soon”.

Reitaro, who fell into a state of panic, finally proposed to Kazumi: “Let's get a divorce”.Kazumi, who once put tape on her family to keep her family together before Ichika grew up, what was her answer?——

On Ichika's 18th birthday, the incredible truth surfaced. Reitaro and Xianggui were no longer family members.

Episode 10

It was Reitaro (Takezai Terunosuke) who abandoned his family.15 years ago, Ichika (Iwamoto Renka) learned the truth about her separation from her twin brother Hikari (Tanaka Koki).After solving the “family mystery”, she came up with the answer--

Ichika (Renka Iwamoto) and Hikari (Eki Tanaka) fall into forbidden love, but they don’t know that they are twins.Why were they separated by the tape? The two people who have been facing the “ family riddle ” visited their parents in order to solve the mystery of how Hikari grew up as the son of Sayako (Mizusaki Ayame).

Kazumi (Moemi Katayama) was shown a photo of Hikari when she was a child by Ichika, and told her that Hikaru was Shouki who was separated from her before death. Kazumi hugged Hikari in tears.On the other hand, Reitaro (Takezai Terunosuke), who stood blankly like an empty shell, slowly confessed his crime.

Fifteen years ago, the reason for the incident in the zoo where Xianggui disappeared was because Prince Taro abandoned Xianggui.When Ichika found out, she said: “Aren't you a fool?!”, vented her anger on the irresponsible father who abandoned his family, and left there.

Hearing Reitaro's ridiculous confession, Kazumi was shocked and unable to move.At this time, Ogino (SWAY), who eavesdropped on the conversation, appeared and forced Kazumi to abandon his current family.Coupled with the fact that Sayako, who came to find the light, broke into the home, the two sides were on the verge of breaking out.Why was my child taken away, “ explain clearly! ” and Mei struggled with Prince Taro who stopped her.

Reitaro and Sayoko, Kazumi and Ogino.Ichika, Hikari, and Kotonoha (Nami Mori) appear at a strange scene where their respective illicit partners gather.

After solving the intricate “family riddles”, Ichika gets the answer to the “life riddles”.