Seventeen-year-old Mugi Awaya and Hanabi Yasuraoka appear to be the ideal couple. They are both pretty popular, and they seem to suit each other well. However, outsiders don't know of the secret they share. Both Mugi and Hanabi have hopeless crushes on someone else, and they are only dating each other to soothe their loneliness. Mugi is in love with Akane Minagawa, a young teacher who used to be his home tutor. Hanabi is also in love with a teacher, a young man who has been a family friend since she was little. In each other, they find a place where they can grieve for the ones they cannot have, and they share physical intimacy driven by loneliness. Will things stay like this for them forever?
For Makoto Hanaoka, life’s about to get more complicated. Saki Aoi, a lively girl with loads of confidence, confesses her love for Makoto one day. When he fails to reciprocate, Saki declares she will be his first love! She shares her goal with a mutual friend, Ryuji Taiga, who also confesses his crush on Makoto. Stuck in a love triangle, Makoto must find a way to make it work and have fun.
After middle school, with its bullying and nicknames, Uka Ishimori is excited for a fresh start at Hachimitsu High School. Kai Miura, a cool and uninhibited boy, sits next to her in class. Uka remembers she met Kai in middle school and with a single word, he had convinced her to attend Hachimitsu. Though he’s popular, Kai supports Uka in her efforts to fit in with her new classmates.
Hope's Peak Academy is a special school, recognized by the government, that was established in order to gather and nurture top-class students who excel in various fields. This school has two courses: The main course, and the preparatory course. Anyone with the money can enter the preparatory course, even if they don't have any special skills. The 77th class of the main course is filled with students who not only have unique abilities, but unique personalities as well. However, the students learned that "Talent isn't the most important thing in life; it's to involve yourself with people and make yourself a better person while making memories." However, little did they know that a mysterious project and discrimination of the courses were happening right under their noses. Hajime Hinata, a boy from the preparatory class who craves for an ability. The fateful meeting he has drives the future of the school into an unimaginable direction.