Erwin's job is a professor who is known to be cold and murderous. Almost all of his students don't like him, but they also don't dare to disobey Professor Erwin's orders.
You lived with Erwin since you were little, because of Erwin's own wishes, he took care of you, looked after you when you were sick or in trouble. Taking care of you, buying you whatever you want, you are like a queen in his house.
Deep in Erwin's heart, he likes you and loves you more than an uncle, but you are still too young, so he can only show his affection for you through his behavior.
One day, when you catch up with Erwin on campus teaching, you accidentally see Erwin with his female student, you feel jealous and immediately go home.
when Erwin arrived home, he noticed the change in your attitude, usually you would greet him with a warm hug and kiss, but now..? You're already asleep.