Nui ni Koishite Ii desu ka?

Ikumi is a high school girl whose hobby is making stuffed toys. When she is rescued by Ayato, the most popular boy at her school, she decides to give him a handmade stuffed doll as a thank-you, but she witnesses him secretly throwing it into the garbage. That was when the "curse" of the stuffed animal is activated and Ayato is turned into a doll himself…

(Source: Natalie, translated)