Tsubaki

As the second eldest son in a big, poverty-stricken family, Kouno Kazuomi has to look after his younger siblings. At school, he's the low-energy-consuming cool boy. He was only devoted to his family before, but his senior of 2 years, Makise Koutarou, invites him and now he's part of the Gardening Association. Despite being bewildered by Koutarou's excessive physical contact and friendliness, Kazuomi slowly opens up to him: the first senior he got along with. However, he witnesses Koutarou, number one popular guy in school, in a scene showing his free-spirited nature regarding relationships, and Kazuomi's heart trembles in pain. A riajuu senpai that can't stay long in a relationship and an innocent kouhai who doesn't know love – their sweet, melting youth begins.

Saho Kasumi is a transfer student. The new school she’s going to is divided into four buildings: Spring, Summer, Autumn and Winter, led by four good-looking guys. On her first day, Saho is assigned to the Spring building. She almost gets kissed by Arashi Somei. Saho’s perplexed, but there seems to be a reason… The four handsome boys from noble families struggle for one girl; youth X a forbidden love fantasy!!

Miyane Kokoro comes back to the city he'd moved away from 7 years prior, due to his parents' transfer. Now attending the same school he'd visited so many times as a kid, Kokoro can't wait to see Chanko – the stray cat that lives there – again, even if it's past curfew. However, his attempt to find Chanko fails when he ends up getting caught by the school nurse, Hiragi.