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...

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.

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...?

Mei is not hired by any company after her graduation from a University. Introduced by her best friend Sari, Mei applies to be a home private tutor far away from her home. Every day, Mei needs to take a crowded train to her student’s home, but is always being indecent assault by an unknown “Train Man”. Later, Mei even discovers that the guy who sexually assaults her is actually her student. What will happen to the relationship between the two? Besides, this is also a revenge for Sari…

Megumi, who has been dispatched to a food manufacturer, is madly in love with the section chief Oda, but Oda, who is popular with the other employees, also has many enemies. These enemies are the faction of Managing Director Suminaga, who are plotting to eliminate Oda, the spearhead of the president's faction, in order to take over the company. Eventually, Oda is suspended for one month due to a plot by the Suminaga faction. If things continue as they are, the company will fall into the hands of evil while Oda is away! Thinking this, Megumi fights alone to protect the company and Oda.