Episode 4

Tomohiko Kawashima, a physical education teacher at Ginkgo Academy, a traditional prestigious school, and Sakurako Abe, president of the Parents' Association, received a commission to investigate the unethical relationship between teachers and guardians in the school, and Ling sneaked into it as a college affairs official.

Akane Hagimoto, whose son entered Ginkgo Academy, was half-forced by Sakurako to entrust her with the role of secretary.

However, as the president, Sakurako always misses the cadre meetings. As the secretary, Akane is also pushed to work and is unreasonably accused by other cadres.

One day, Akane's cell phone accidentally sent an intimate selfie photo of Sakurako and Kawashima.Moreover, Akane couldn't hide her inner shake when she saw the two people who kept having trysts in the school.

To Akane who didn't say anything, Sakurako suddenly announced that she wanted to date.

The thought of resigning from the PTA flashed through Akane's mind, but she was afraid of affecting her son, so she never made up her mind...

At the battle meeting at Bar PURPLE ROSE, Shin came up with a battle plan to hunt down Kawashima and Sakurako.Ling starts setting the next trap.