· The male protagonist (Mr. Yu): On the surface, he is a cold and abstinent academic authority, but in fact, he is a possessive maniac who loves his wife.
· Heroine: She looks like an ordinary girl who is cute and cute, but she is actually a hidden boss with special skills.
· Core supporting characters (male/female): The bluffing best friend who assists/the snobbish relative who looks down on the heroine and gets slapped in the face like crazy in the end.
