My Shapeshifting Girlfriend

He Mu transmigrated to a parallel world, picked up a cat, and was gifted a mysterious girl.And then...When the teacher made things difficult for him, He Mu pulled out a sword from his bag;Teacher: "Xiao He, let's talk this over..."When playing games, He Mu, who was always clumsy, used a brand new keyboard and mouse;Friend: "He Mu, you're so strong, I want to have your monkey children!"But He Mu was very distressed."Why does my girlfriend keep shapeshifting?""What did you say? Who are you saying is fickle?""...Ouch...ouch!"This is a lighthearted, everyday love story, with a single female lead, superpowers, and filled with love.