I Fell in Love With the Girl Who Gave Me an Eraser

With graduation 10 days away, homeroom teacher Hiiragi gathered all 29 students of class 3-A and proclaims them his hostages. His last lesson regards the death of a student that passed away a few months before. Nobody will be able to graduate until the truth is known.

Mitsuko Motomiya (Haruka Fukuhara) is a mysterious total coordinator. To get what her client wants, she changes their visuals from head to toe and also their mentality through coaching. Using any means necessary, she always makes her client successful. Her next client is Natsu Imai, who is a single mother with a string of bad luck. Natsu Imai's aim is to become the president of a large company that is run by a family. Meanwhile, Mitsuko Motomiya has a secret.

Ryōsuke Sagara is an ordinary salaryman and he works for a mid-size shipping company. He is a good-natured person. His family consists of his wife Maho, high school student daughter and elementary school student son. Maho works part-time at a supermarket. They are a happy family, but Maho and their two children suddenly disappear. There are no clues about their disappearance. Ryōsuke gets the attention of the media and public. He tries to find the truth behind his family's disappearance with the help of his subordinate Mizuho Ninomiya at work.

Two journalists fall in love while investigating a serial murder case, but as secrets unfold, she must decide if she can trust him or if he's the killer she’s searching for.

Nana and Shota are a newlywed couple and Nana is 15 years older than Shota. Nana works as a designer and Shota works as a gym trainer. They both enjoy mystery. The newlywed couple then move to an apartment and they attend a resident’s meeting there. Nana and Shota become involved in murder cases that take place at the apartment. Residents get murdered one by one. Some residents have a motive, but those suspects have an alibi. Because of this, an arrest has yet to be made.