Flower of Life

Flower of Life (フラワー·オブ·ライフ, Furawa obu Raifu) is a manga series by Fumi Yoshinaga. The manga is serialised in Shinshokan's Wings.

Plot
Harutaro Hanazono, a cheerful and outspoken boy, enrolls at his new high school a month late, as he has been recovering from a bone marrow transplant to treat his leukemia. He is befriended by Shota Mikuni, who is also friends with Kai Majima, an otaku. Harutaro finds Kai annoying. The story follows the school life of Harutaro.