TONIKAWA: Over the Moon for You(2020)

"First comes marriage, then comes an earthbound love that is out of this world!"

Overview

Nasa Yuzaki falls in love at first sight after an encounter with the mysterious Tsukasa. When Nasa earnestly confesses his feelings, she replies, "I'll date you, but only if we're married." Nasa and Tsukasa's cute and precious newlywed life of love is about to begin!