Lucky Number 13

After Ryou's father remarries, he's not sure what to do with three new brothers and a stepmother, at the age of 19. As he comes to appreciate his happy new home and family, the glue holding them together starts to come undone. How will these four brothers weather tragedy after tragedy and stay together?

Chris Watanabe is a high-school teacher. When his father remarries, he finds himself with an English step-brother named Wataru. Wataru transfers to Chris' school, and just as the four of them are starting their new life together, their parents die in a plane crash. Chris and Wataru begin to live together and before long they fall in love. Wataru enters his second year of college, still living his happily-ever-after with Chris. At the same time, Wataru's childhood best friend and former suitor, the cross-dressing Rei, is falling for Yamada, who's always secretly had a crush on Chris…!

Sanpaku-eyed Ikariya Emu is a young man who has known poverty and hardship since childhood. After the sudden death of his alcoholic father, he is approached by a loan shark who informs him that he has inherited his father's debt. Just as he is being coerced into dubious work to pay it off, a face from his past appears with a shocking proposition.

A policeman, a yakuza and an underwear thief – where better to start a love story? Ueda Tomoharu is a cop manning a local koban station, and he's quite happy with his job. He lives a relatively quiet life – until he happens to run into yakuza member Gotouda Aki, while chasing down an underwear thief… and is suddenly confessed to! Aki doesn’t seem bothered in the least about their star-crossed lovers status and he eagerly dives into a super lovey-dovey relationship with this policeman, but Ueda's about to find out just how dangerous it can be dating a mobster… in more ways than one.

Passionate bird shop owner Masaka Toru meets foreign exchange student Fon-kun, who now makes regular visits to the shop. What is Masaka to do when he receives an unexpected confession from his regular? And what is Fon-kun to do with a parakeet as his love rival?

High-school student Chihiro is small and cute, and gets molested by middle-aged men on the train. But it wasn't always this way – up through elementary. Chihiro was bigger than all the other boys and he defended his friend, smaller and gentler Keigo, from the bullies. That is, until Keigo was transferred to Vienna! Despite promising to write, Chihiro had long ago left behind the memories of Keigo. Now, Keigo is coming back to Japan – and what's more, they'll be living under one roof! Will Chihiro accept the confession from Keigo, who has become like a stranger to Chihiro?

1: A Boring Man After getting dumped, Hashimoto, an ordinary businessman, is approached by a popular and successful co-worker. 2: Sweet Room Kotobuki is famous on campus for his beauty and brains. Will he ever find a roommate who isn't disillusioned when he sees what Kotobuki is really like? 3-5: Let's Tie Hands Firmly When Atsushi quits his job in the city and returns to his hometown, he finds his younger friend, Satoru, all grown up and a little distant.

The cheerful and affectionate Hidekazu; the thoughtful and genial Eiji. They were my old neighbors, the super popular twins. I, Ueto Shun, am in love with the younger twin, Eiji. We study at the same university and share an apartment, although I do not pay the rent… I live under the same roof, but… I am in trouble! I'm happy, but I find it problematic: the excitement of living with the person I love.