Two 17 year old teens are hospitalized for different reasons. Ezaki suffers from Hepatitis A, while Akiba is due to a weak heart. The relationship between these two hospital patients soon blossoms into romance.
| Actor | Role |
|---|---|
 Sosuke IkematsuYuichi Ezaki | Yuichi Ezaki |
 Shioli KutsunaRika Akiba | Rika Akiba |
 Yo OizumiDr. Natsume | Dr. Natsume |
 Mari HamadaNurse Akiko | Nurse Akiko |
| KKoki KatoYuichi Ezaki's friend | Yuichi Ezaki's friend |
 Ryosuke KawamuraTsukasa | Tsukasa |
 Yurie MidoriMiyuki | Miyuki |
| NNaoyuki Moritaboyfriend of girl in hospital with heart disease | boyfriend of girl in hospital with heart disease |
 Yui Miuragirl in hospital with heart disease | girl in hospital with heart disease |
 Kumi NakamuraRika Akiba's mother | Rika Akiba's mother |
 Yukijiro HotaruDr. Natsume's boss | Dr. Natsume's boss |
 Tokuma NishiokaHospital Director | Hospital Director |
 Mana AshidaMiku Natsume | Miku Natsume |