A new salesman named Kosuke Okuda happens to meet Mao Watarai, a friend from his middle school days. Back then, Mao was called stupid and bullied, but now she is an attractive woman. Kosuke and Mao fall in love and decide to marry, but Mao has a secret.
| Actor | Role |
|---|---|
 Jun MatsumotoKosuke Okuda | Kosuke Okuda |
 Juri UenoMao Watarai | Mao Watarai |
 Tetsuji TamayamaHaruki Sindo | Haruki Sindo |
 Koji OhkuraSusumu Tanaka | Susumu Tanaka |
 Mitsuki TanimuraYuri Minegishi | Yuri Minegishi |
 Masaki SudaShota Okuda | Shota Okuda |
 Takumi KitamuraYoung Kosuke Okuda | Young Kosuke Okuda |
 Wakana AoiYoung Mao Watarai | Young Mao Watarai |
 Kazutoyo KoyabuDepartment Head Sugihara | Department Head Sugihara |
 Naomi NishidaKosuke's Mother | Kosuke's Mother |
 Maho ToyotaMao's Boss | Mao's Boss |
 Midori KiuchiMao's Mother | Mao's Mother |
 Sansei ShiomiMao's Father | Mao's Father |
 Mari NatsukiOhsita | Ohsita |
 Toko MiuraShiota | Shiota |
 Hiroya ShimizuKosuke & Mao's Classmate in Middle School | Kosuke & Mao's Classmate in Middle School |