Gleipnir
Aired: 2020
A TV anime produced by Seven Arcs, based on the manga by Kenjiro Hata serialized in Shogakukan's Weekly Shonen Sunday. Over 7 million copies in circulation (as of 2025). 16-year-old Nasa Yuzaki falls in love at first sight with a beautiful girl named Tsukasa under the moonlight on the night of his high school entrance exam. After being saved by Tsukasa from a truck accident, Nasa confesses his love, but she responds "only if you marry me." Years later, 18-year-old Nasa is visited by Tsukasa with a marriage registration, and they wed instantly. The newlyweds enjoy their lovey-dovey life together while Tsukasa's secret of "immortality" gradually comes to light. 12 episodes. Directed by Hiroshi Ikehata, music by Takuro Iga. Main cast: Junya Enoki as Nasa, Akari Kito as Tsukasa. ©Kenjiro Hata, Shogakukan/Tonikawa Production Committee
Songs
| Type | Song | Vocals | Lyrics | Composer | Arranger | |
|---|---|---|---|---|---|---|
| OP | Altern-ate- | H-el-ical// | Hikaru// | グシミヤギヒデユキ | グシミヤギヒデユキ | |
| ED | Ame to Taieki to Nioi | Mili | Yamato Kasai | Yamato Kasai | Yamato Kasai |