Lala...

Sawako Kuronuma looks miserable on the outside, but is actually a positive-minded girl, who looks up to Shota Kazehaya, a sociable and friendly boy. Perceiving Sawako's good intentions, he secretly has feelings for her. Sawako meets Kazehaya and makes her first friends, Chizuru and Ayane but in comes Kurumi proclaiming her love for him... Will Sawako and Kazehaya ever find out about each other's feelings?

A high school girl, Sayaka Kudō was the bottom of the class. After a year, she improved her deviation value from 30 to 70, then passed Keio University that is considered one of the most difficult to enter in Japan.

Kogure Nao is a shy and cute high school student. One day, Onise Taiga asks her "would you like to date with me on the promise that we will get married?" Nao is unable to turn down his proposal because she is scared of him. Taiga has red hair and piercing eyes. His appearance gives off the impression that he is a bad boy, but he is actually considerate to others and good at cooking. After getting to know Taiga, Nao begins to have feelings for him.

A pair of former high school sweethearts reunite after many years when they return to visit their small hometown.

High school student Yuki Hase wants to become close with classmate Kaori Fujimiya who is alway by herself. Kaori Fujimiya refuses to become close with Yuki Hase, because she forgets her friends every new Monday. Even though Kaori tells Yuki why she doesn't want to become friends, Yuki still wants to become close to her.

Erika Shinohara is a first year of high school student. While talking to friends, she makes up a story about her "boyfriend." In reality, Erika Shinohara doesn't have a boyfriend. Erika's friends soon begin to doubt her story and Erika is also running out of lies. Erika then sees a pretty boy on the street and takes his picture discreetly. She later shows his picture to her friends as her boyfriend. The boy in the picture is Kyouya Sata and happens to attend the same school as Erika. She tells Kyouya about her situation and asks him to be her pretend boyfriend. Even though Kyouya has a pretty appearance, he has a dark side.

When one school teacher gets the other fired, he is challenged to an after-school fight.

Six high schoolers stuck in a murderous time loop must find the scattered remains of an unknown victim to break the curse and finally see another day.

When five lovely young girls who hate studying hire part-time tutor Futaro, he guides not only their education but also their hearts. Time spent has brought them all closer, with feelings growing within the girls and Futaro. As they finish their third year of high school and their last school festival approaches, they set their sights on what’s next. Is there a future with one of them and Futaro?

Akari Yoshiyama is graduating high school soon and is expected to lead new life after she passes the university entrance exam, while her mother is working as a pharmacologist. However, her mother has a car accident and the situation is totally changed. She decides to go to 1972 to fulfill her mother's wish.