I Was Single and Fell in Love with Myself in a Different World

Yu Yu, who has been single for 22 years, does not believe in the existence of love. During a family dispute, she traveled through a broken mirror to a different world. In this world, she met a sexually transformed version of herself with the same family background and growth experience. After a series of experiences, Yu Yu fell in love with herself in this world, and at the same time discovered the secrets of the other world.