When Takiya Kippei, the brother of two older sisters, realises that he desperately needs money to buy a birthday present for his lover, he decides to live and work onsite at a ryokan (a traditional japanese inn). There, he meets the well-educated Honjou Masumi, a man who is neither too strict nor too lenient, and who has a charm which embodies the word ‘mature’. “This is the first time I’ve met someone like Honjou-san.”
On the way home from work, Okazaki Taichi finds a man named Fuji, sleeping on a bench one day. Okazaki ends up bringing Fuji to his house, starting a relationship neither of them had anticipated.
Rintarou is bothered by the beating of his heart whenever his tutor, Kaede, is around. One day, Rintarou realizes that he's actually in love with Kaede. But, without knowing Kaede's feelings, Rintarou became anxious and… Sadistic tutor x pure-hearted student, how will their love develop?
Sangho's PhD thesis deadline is looming near and his future is looking murky. The highlight of his day is smoking on the rooftop of his school building, where he can forget about his troubles. But his precious break is ruined one day by a guy named Hakdo and his bawling ex-boyfriend (who happens to be Sangho's ex-ex-ex-boyfriend). Sangho later learns that he and Hakdo have not one but many exes in common, so the two decide to have some fun, casual sex.
High school student Hara Keisuke suddenly finds himself wearing a pantyhose while putting on his jersey, because his sister was wearing his jersey the night before, but Keisuke doesn't find the right timing to laugh it off. The one who helps him in this situation is his good-looking best friend Shinoda. Performing perfectly in tune, they’re able to get out, but when Shinoda watches Keisuke take off the pantyhose he suddenly changes...?
Maki, a dedicated cook, lives with his boyfriend, Hanazawa and their pet rabbit, Pyon. The cute and carefree Hanazawa is regularly hit on by the handsome pastry chef from the sweet shop they frequent and Maki clashes with him often, but their days pass by peacefully… For the most part.
It's the first day of the new school year and Juhyun... Well, he's not exactly enthused. In fact, the only things on his mind are girls. The girls at his school, to be specific. Jigoo, on the other hand, wakes up early and gets ready and stops by Juhyun's home on the way to school. And, as it turns out, Jigoo might not be as interested in girls as Juhyun is. Juhyun is about to find out that some secrets are hard to keep quiet. And sometimes, everyone needs a little help.
College is a time of freedom, learning, and, let's be honest, sex. Juhyun and Jigoo spent most of their high school years studying and keeping their relationship a secret from everyone in their lives. But now, they've moved out which means no curfew, no rules, and no roommates. But they're about to learn that taking their relationship to the next level means taking on some new challenges, too.
Blue! Blue! Blue!