Koji Onna ni Natta ToteToramimi Onna ni Natta tote; 虎耳女になったとて; Even If I Become a Girl with Tiger Ears; Mesmo que eu me torne uma mulher com orelhas de tigre

One day, he woke up to find himself transformed into a tiger-eared girl! Rito Momoyama is a high school boy who aspires to become a novelist, but without much success. Then one day, he develops Beastification Syndrome. Tiger ears and a tail sprouted, and then, for some reason, he is transformed into a girl, too? A wild, adolescent beast transformation TS comedy!! (Source: Comic Fuz, translated)