On Gacchan’s birthday, a wild night in Shinjuku turns into a whirlwind for him and Takayuki, testing their love after a careless mistake and a heated confrontation.
Rika, an office worker, married Takuya, the son of a company's president. Rika can't help but want to brag about her lifestyle to her older sister Nanako, an honor student who has always been the source of her inferiority complex since childhood. One day, Nanako, who was married to an international woman, returns to Japan after getting divorced and moves in with Rika. The three of them start living together, but...
Kyoko, a full-time housewife, has begun to suspect her husband Shinji is cheating on her. The reason is that Shinji's savings have decreased, he has forgotten Kyoko's birthday, and he has been acting strangely. To top it all off, she finds out that Shinji is infatuated with a hostess called Yurina. Kyoko is feeling down, but her brother Akira comforts her with some unexpected words! "I'll make you a hostess." Kyoko transforms from an ordinary housewife into a hostess called "Hikaru"! What fate awaits the hostess "Hikaru" who has begun working while hiding her true identity...?
