Shuta, Saku and Michiru have been best friends since they were kids. Tragedy strikes the friends when during the winter of 2010, Saku dies from a heart attack. After Saku's death, Shuta and Michiru become more distant.
| Actor | Role |
|---|---|
 Sota FukushiShuta Jogasaki | Shuta Jogasaki |
 Shuhei NomuraSaku Kijima | Saku Kijima |
 Tsubasa HondaMichiru Ando | Michiru Ando |
 Honoka YahagiKyoko | Kyoko |
 Yoh YoshidaMatsudo | Matsudo |
 Naomi NishidaHitomi Jogasaki | Hitomi Jogasaki |
 Mariko AkamaYoshie Kijima | Yoshie Kijima |
 Marika YamakawaNot listed | Not listed |