Episode 1

Hagiwara Hitachi (Muto Jun), who works in the sales department of a home appliance manufacturer, is troubled by his sexless relationship with his live-in girlfriend Mizutani Kari (Akita Shiori).One day, he was assigned to be the director of the company's concurrent party. He was supposed to email the store candidate list to another account, but he accidentally sent it to “someone”.

The person who received the email was none other than Sei Hani (Asuka Ito) who was working in the General Affairs Department at the same time.Hanjing Zheng is also troubled by the hopeless love between his cohabitation partner Fujisawa Kazaki (Matsumoto Daiki).Neither of them ever expected that they would be the recipients of email exchanges.They started sending each other emails and having seemingly casual conversations, and gradually developed a wonderful relationship...