Hitotsu Yane no Shita no

High School freshman Yuzuriha Kyuuta made a promise with his childhood friend Ririko to marry her when they grow up. Being separated from her since elementary school he now enrolls at her school, a former all girls private school for rich young ladies which has just opened its gates for male students, to meet her again. But upon meeting her, it turns out he has to live in the girls dorm and she is the dorm head!? And what's more, she doesn't seem to remember him at all! Just how will Kyuuta be able to keep his promise?

19 chapters

• Chapter 18 — Under One Roof
• Chapter 17 — Declaration Under One Roof
• Chapter 16 — Lovers Under One Roof
• Chapter 15 — Chance Under One Roof
• Chapter 14 — Fight Under One Roof
• Chapter 13 — Runaway Under One Roof
• Chapter 12.5 — A Really, Really Scary Story
• Chapter 12 — Girl Power Under One Roof
• Chapter 11 — Arguing Under One Roof
• Chapter 10 — Memories Under One Roof
• Chapter 9 — Jealousy Under One Roof
• Chapter 8
• Chapter 7 — Rebellion Under One Roof
• Chapter 6 — Under One Roof, Decision
• Chapter 5 — The Decision Made Under One Roof
• Chapter 4 — The Truth under the Single Roof
• Chapter 3 — A Love Triangle under One Roof
• Chapter 2 — The Freshmen Under the Single Roof
• Chapter 1 — The Boy and the Girl Living Under One Roof