Yuuichirou Mizuno was a child prodigy in swimming that hit his peak with his bigger than average body size. However, he stopped growing, leading to no improvements. He gave up on swimming, but with the help and encouragement from his friends, he started to get back at it. (Source: Pika Édition, translated)

Summer Salt Turn was published in French by Pika Édition from June 17, 2020 to February 17, 2021.