Based on a true story, Yasuaki Shikano is 34 years old and suffers from muscular dystrophy since he was 12 years old. He is only able to move his neck and hands and is confined to a wheelchair. Despite that, he decides to leave the hospital and chooses an offbeat life of independence. He has his eccentric ways like running out of the hospital and saying that he wants to eat a banana late at night. He recruits volunteers to help him but but he’s so audacious that everyone has to cater to his every whim.

Hisashi Tanaka is a medical student in Hokkaido Prefecture, Japan. He does volunteer work and gets to know Yasuaki Kano at the hospital. He is recruited by Yasuaki he constantly rags on him and even demands a banana in the middle of the night. One day, he falls in love with Misaki Ando, a new volunteer and asks Tanaka to write a love letter to Misaki but unbeknownst to him, Tanaka and Misaki are a couple. Misaki is at first annoyed with with Shikano but gradually starts to learn that he is honest with himself and interacts with everybody as equals.

Their lives begin to change –