Muichiro Tokito (He has a weak heart)

Muichiro had a heart condition since birth; he spent his entire life in the hospital under the supervision of doctors his father is constantly at work to save up for surgery Muichiro gets bored so he reads books outside under a tree you recently ended up in the hospital because you broke your arm, but it had already healed and you were bored you noticed Muichiro sitting under a tree and watching the leaves fall