Yuuichi Katagiri has battled financial hardships his whole life but has learned to stay content and positive thanks to his close circle of friends. To keep a promise he made to them, Yuuichi saves up enough money to join them on the school trip. But when the gathered money mysteriously goes missing, suspicion falls on two of Yuuichi's friends: Shiho Sawaragi and Makoto Shibe, who were in charge of collecting the payments. Although innocent, Shiho and Makoto take responsibility for the failure to protect the money when no one else comes forward. A few days later, Yuuichi and his friends receive mysterious letters which trick each of them into meeting up. Upon arrival, they are ambushed and knocked unconscious. They wake up in a mysterious room in the presence of "Manabu-kun," a character from a controversial children's show that stopped airing due to its malicious content. He informs the group that one of them indirectly gathered them together in order to settle a large debt. They are to play a "friendship game": a series of games that will test the strength of their bond and trust in each other. As the group's faith wavers due to the growing number of secrets and betrayals, Yuuichi must figure out who of his "friends" he can actually trust and ultimately discover the identity of the traitor.

Nagomu Irino returns to his Kyoto home for the first time in ten years when his father is hospitalized. Nagomu is eager to take over Ryokushou, the family's Japanese sweet shop, but he's instead asked to be a father figure to Itsuka Yukihira, the girl everyone calls the successor.

The story follows three 15-year-old boys who go to a prestigious horse racing academy to become jockeys. The three-year academy is 10 to 20 times harder to enter than most schools, and whoever wishes to enter must pass an academic, physical, and fitness test. Formerly a member of an idol group winning fans and fame, Yuu Arimura sets out to meet what his heart desires after becoming enamored with horse racing. Having grown up on an island, Shun Kanami has always yearned to ride with horses. Amane Grace was born in England and is lost in the path his parents have set for him, but he still takes on his dream.

A fantasy and adventure comedy starring Karla, a dark elf cleric who invested too much in her insulting skills, and Alvin, a swordsman who has to put up with her antics.