Shun and Nagisa first meet and fall in love during their first year of high school. While Shun is graduating from university, Nagisa tells him that he doesn't see a future for them. Despite Shun's strong feelings, they go their separate ways. Years later, Shun is now a store owner, living alone in a rural area. Out of the blue, Nagisa arrives with his six-year-old daughter, Sora. Spending time together, Shun realizes he still harbors feelings for Nagisa. Can Nagisa reconcile with his feelings for Shun, which have been there all along?
Both being Japanese school dramas, they both have a very similar atmospheres. And they both pursue an underlying narrative of understanding others. Some of the character types resemble each other (although in a more serious manner in Shujin-Ko). While there is a BL storyline in both, it’s a side story in shujin-ko, rather than the main relationship (like it is in Kieta Hatsukoi), but the concerns and conclusion of both resemble each other greatly.
Fukami Noboru is a lonely and introverted college student who saves one of his classmates, Hayase Kouhei, from drowning on a lake. Hayase had never paid attention to Noboru before, but after being saved by him he begins to feel confused about his feelings towards the very mysterious Noboru. And if this was not enough, Hayase soon meets Noboru's twin brother, Ryu, who has a very different personality from his brother.
Young and earnest, Tomokazu is a third-year college student and also a member of the boxing team. He has a great friendship with Yoshiki, who he sees as a younger brother. But, unlike Tomozaku, Yoshiki's feelings are much deeper. To complete the confusion, Tomozaku's stepsister Misao, also secretly nurtures feelings for him and starts to get jealous of the relationship between the two boys. What will Tomozaku do when he finds out about the true feelings of Yoshiki and Misao?
When Kosuke was 14 years old, his mother died. As a young gay person, he spent his adolescence in a rural village and suppressed his feelings. Now, Kosuke is all grown up and he works as a fashion magazine editor in Tokyo. He meets Ryuta, who works as a personal trainer. Ryuta's mother raised him alone and he is close to his mother. Kosuke and Ryuta become attracted to each other and they sometimes spend time with Ryuta's mother. Kosuke is happy to share time with Ryuta and his mother, which makes him remember his late mother. Kosuke and Ryuta make an appointment to go for a drive together, but, on that day, Ryuta does not show up.
