Fly Me to the Moon (トニカクカワイイ), also known outside Japan as Tonikawa: Over the Moon for You, is a Japanese manga series written and illustrated by Kenjiro Hata. It has been serialized in Shogakukan's manga magazine Weekly Shōnen Sunday since February 2018, with its chapters collected in 35 volumes as of March 2026. The story centers around the teenage genius Nasa Yuzaki and his developing relationship with his new wife, Tsukasa, who saves him from a traffic accident during the beginning of the story. In North America, the manga is licensed by Viz Media.
An anime television series adaptation produced by Seven Arcs aired from October to December 2020 on Tokyo MX and other channels. A second season aired from April to June 2023. A four-episode original net animation (ONA) titled Tonikawa: Over the Moon for You – High School Days was released from July to August 2023.
Premise
On a snowy winter night, Nasa Yuzaki, a boy who was made fun of during his childhood because of his peculiar name, encounters a beautiful girl after he received his practice exam grades for high school. When he tries to approach her, he gets hit by a truck due to his lack of attention. However, the girl saves him, and Nasa miraculously follows her at a bus stop and proceeds to confess his love for her. The girl, Tsukasa Tsukuyomi, agrees to become his girlfriend, but only if they are married first. Nasa quickly agrees to her demand and then passes out, waking up in a hospital. Nasa becomes heartbroken when he cannot find her again, until his 18th birthday, where Tsukasa suddenly shows up at his doorstep. Tsukasa goes inside with a marriage form, starting their relationship and their marriage.