Harumi works as a planner at an event planning company. She had just been proposed to Nagata, who works for the same company, and she was enthusiastic about her first solo job. However, Harumi accidentally reunites with her ex-girlfriend's fiancé, a talented planner, Yu Hinatsu.
| Actor | Role |
|---|---|
 Kizuna SakuraHarumi Ogawa | Harumi Ogawa |
 Misa WadaIkuko Hinatsu | Ikuko Hinatsu |
 Serina HayakawaSaya Kisaragi | Saya Kisaragi |
| TTakuma YanaginouchiYû Hinatsu | Yû Hinatsu |
 Sousuke YamamotoEiji Nagata | Eiji Nagata |
| SShôta KotakiJin'nai | Jin'nai |
| HHideki TachibanaYotsuya, Aoto | Yotsuya, Aoto |
 Manzo ShinraYahiro | Yahiro |
| VValkanDrunk man | Drunk man |
| YYukio KanzakiEmployee | Employee |
 Syoko KudoNarrator | Narrator |