TABOO ni Daite

A high school freshman named Yayoi lives with her older brothers, Naoki and Tomoya, after losing her parents at a young age. When she discovers that she and Naoki are not blood-related, she begins to feel an overwhelming affection for him. In another story, Risa, a middle-school student, is mistakenly arrested for prostitution and becomes infatuated with the detective handling her case. Meanwhile, Youko wins a trip to a luxury hotel meant for two and ends up going with a stranger named Tatsuya. Lastly, Yamato, raised in Japan by a local family despite being born to American parents, grapples with his dual identity. He meets Serika, a Japanese girl who is drawn to him and hopes to help him find a sense of belonging.