From A CUTE CAT, I Turn Into A PRETTY Girl?! - Berry Avenue

After witnessing his girlfriend's betrayal right before his eyes, Tanner leaves and accidentally rescued a wounded cat named Mimi, who transformed into a human overnight. Mimi's innocence and loveliness gradually heals Tanner's broken heart, but things become dangerous when Ashley—his selfish ex-girlfriend—becomes jealous and tries to harm her. The story reaches its climax when Mimi accidentally reveals her cat ears and tail at school and Ashley discovers it, dragging both of them into bigger trouble than ever before.