This side story follows Asama, Kimi and Mitotsudaira aboard Musashi one year before the beginning of the main story, as Asama is considering to create a music band together with her two friends for the next festival in Aki, a territory under the governance of K.P.A. Italia. **Note:** An official comercial release of the side story volumes of Kyoukaisenjou no Horizon that were bundled with the first press release of the 1st, 3rd, 5th and 7th Blu-ray volume of both seasons of anime.

Tsubaki is a working woman struggling with her relationship with her subordinates. Momoko is a college girl struggling with her part-time job. Two people of different ages and backgrounds happen to sit together...? It's a breath of fresh air, a relaxing lunchtime comedy. (Source: Tonari no Young Jump, translated)

42 mangaka write short stories about the food they eat.

At the age of 30, six people met again at a high school reunion. They had all gone out into the world and were leading reasonable lives, but there was something missing. In high school, each of them had their own aspirations that went unfulfilled. They've decided to quit their current jobs and gathered at a share house. This is a coming-of-age story of 30-year-olds chasing their dreams again.

Yuuta Takenata has dreamed of being a gymnast ever since he was a little kid, so when he gets into high school he starts up the "Boys Rythmic Gymnatics" team. He works hard and gets enough members to compete, but then the club adviser forces them to take the delinquent Azuma Wataru into they're club. He's loud, whinny and has absolutely no interest in gymnastics. Yuuta just gives up on him, telling to stop coming to the practices. . But when he accidentally causes one of the members to break there arm, he has to start training so as to take they're part in the competition.

The manga centers on Tatsuki Houshou, a female office worker, admired inside and outside the office as a popular and beautiful woman who is good at her job, but is very clueless when it comes to love. So clueless, that she does not even notice when a man makes advances toward her. Despite this, she still wants to understand love, and a person who makes her heart flutter appears before her. (Source: Anime News Network, edited)

The manga centers on Matsuzaki Touma, who was born into a family of noted doctors. (Source: Anime News Network)

The game's story takes place in Japan at the end of World War II. Devastated in the aftermath of defeat, the Japanese government complies with the Allies' reconstruction plan. Japan begins to recover from the loss after a few years, but America and China intricately divide the nation on a municipal level. Eventually, China's military districts become Chinatowns, and places controlled by the United States are Americanized. The many Chinese and American immigrants make Japanese people the minority in their own land. Some Japanese are unwilling to accept this fate and secretly gather their strength to challenge the new system. A girl named Rose Haibara works at the club Primavera and lends money to Japanese people so that they can rebuild their lives. Meanwhile, Leo Shishigami is best known for his reputation among women. Everything begins to change when that legendary man meets Rose in the spring of 1947.

Mizukami-sensei tells the story of his life as a mangaka!! An autobiographical "column manga" in which Satoshi Mizukami recounts the beginning of his career as a mangaka. (Source: Batoto)

An anthology comic of Hidamari Sketch by various mangaka.