“Maau.” It’s obviously wiggling on my bed… “Baby?” Elena Velotte, an ordinary academy student, tried to rest well for a long time after the final exam, but a strange baby appears in her room. Elena, who suddenly raised a child with Felix, a childhood friend and one of the best geniuses at the academy. “Oh, Boo, Boo!” But the kid is so cute! Besides, Felix, who she thought was only rough, also showed a soft side to the child… “Okay? Oh, hey, hey. You can’t touch it.” But the surprise didn’t end there. “Stay by my side…” Felix, whom she thought only as a friend for a long time, started to get weird?