Hana ni Arashi

From Viz:

Riko Kunimi is trying to lead a normal high-school life when Ran Tachibana bursts into her classroom carrying a gun and tells her that her life is now his. Ran, the richest, most powerful 17-year-old in Japan, wants her as his wife, and he's not taking no for an answer!

----

Also included in this manga are the following stories:

- Jigoku Kokyuu no Hitsuyou (Vol.1)
Kiyoharu was trying to nap when a girl kissed him because she thought he was dead. He later learns that Touko, the girl, is always kissing someone in response to not being able to breathe and feeling suffocated.

- Fureru Ondo (Vol.2)
Kashuu hates being touched because of his past experiences. He will only let Sayuri-sensei, the biology teacher, treat his wounds. To him, Sayuri-sensei's touch is precise and practical without bring up bad memories.