On the morning of their wedding anniversary, Tatsuhiko's diamond ring is discovered by his wife, Yumiko. To make matters worse, it also happens to be the birthday of Ruka, with whom he is having an affair, leading to a huge commotion. Just then, a massive earthquake strikes, and Tatsuhiko and Ruka's bodies are swapped! Ruka (who is actually Tatsuhiko) is now being pursued by his subordinate, Satoda, while Tatsuhiko (who is actually Ruka) is being pursued by Yumiko!
| Actor | Role |
|---|---|
 Asaki NatsukawaRuka Segawa | Ruka Segawa |
 Mari YamaguchiYumiko Eguchi | Yumiko Eguchi |
| EErina AoyamaSaori Hirai | Saori Hirai |
 Yohta KawaseTatsuhiko Eguchi | Tatsuhiko Eguchi |
| HHideki NishiokaManabu Satoda | Manabu Satoda |