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.

Aida Rintaro is a handsome teacher who is popular among the female students. Rintaro is the homeroom teacher of a class that has a student called Sakurai Sachiko, who constantly gets bullied by her classmates. With strong sense of justice, Rintaro is always there helping Sachiko whenever she gets bullied. To Sachiko, Rintaro is like a "hero" and she starts liking him. However, unlike what's being shown, Rintaro is actually the person who planned all the bullying pranks. He pretended to be a "hero" and save Sachiko repeatedly in order to get liked by her.

"The world average age for the first sexual experience... 17.3". Is that early? Late? Seno Sakura has a serious personality. Hara Tsumugi has never liked a member of the opposite sex before. Minagawa Yuna is experienced and is currently dating a company employee. At the age of 17, the girl's "sexual values" begin to fluctuate.

It's a year before Yumeko transferred to Hyakkaou Academy. Saotome Meari, a young girl who was born into a very ordinary family, passed her transfer examinations, and has started to attend Hyakkaou. However, the school she expected to attend has a crazy law, the Baptism of Gambling. Paired with Yumeko as her "twin," the curtain opens on Meari's gambling mania!

The forbidden technique of "Dark Shinri-Jutsu" (aka "Dark Psychology") is a method of using casual conversation, hints, words and behaviour to manipulate the thoughts and emotions of others to control them as you wish whether that be to good and innocent ends or to satisfy even the darkest desires of the heart.

Tokyo Seimenjo is a udon franchise restaurant with the motto "Quick, cheap, and delicious." The restaurant has a lot of regular customers, but their manager has been on maternity leave for the past two months and a reliable staff member has just quit. The four other staff members, Haruto Aoi, Yoshio Midorikawa, Rin Momota, and Setsuko Kimoto, feel uneasy about the situation. At that time, 27-year-old Kotarō Akamatsu is sent to the restaurant as the new manager. He previously worked for a hotel, which is the parent company of Tokyo Seimenjo. Kotarō Akamatsu assures the staff that he knows how things work at a restaurant, but he works there like he is still working at a hotel. He is overly polite to the customers and he seems very nervous while working. The staff members become embarrassed.

An anthology drama series adapted from Mitsuru Adachi's series of short story comics of the same name, with each episode starring a different member of J-pop group JO1.

In today’s Japan, “rental” services can deliver an afternoon with a “friend,” a “parent,” even a fake girlfriend! After a staggering betrayal by his girlfriend, hapless freshman Kazuya gets just desperate enough to give it a try. But he quickly discovers how complicated it can be to “rent” an emotional connection, and his new “girlfriend,” who’s trying to keep her side hustle secret, will panic when she finds out her real life and Kazuya’s are intertwined in surprising ways! Family, school, and life all start to go wrong, too… It’s sweet but naïve boy meets cute but ruthless girl.

Daisuke Daichi, dreams of becoming a passionate teacher at a high school, but all the students in his class, the 3rd grade D, have problems that are a microcosm of today's Japanese society. One incident leads Daichi to be scouted by the BBT, a professional wrestling organization, and he also becomes active as a masked wrestler, Masked D. Daisuke, while keeping the truth hidden, struggles to save the students. Will he be able to solve the problems of the students by fighting as "Masked D" and facing them head-on? This socially-conscious school entertainment depicts a teacher who never gives up and puts his body on the line to face his students no matter what, and the students who are facing various problems!