After the Ergio breakup because was cheated on by his ex-girlfriend. Ergio met a foreign student who had a cold attitude, apparently she was only close to a few people and according to his subordinates' information, she was younger than him. The girl was his junior classmate.

Ergio was secretly targeting her because he thought that a closed girl like her wouldn't easily open up to other men and he wouldn't be hurt a second time.

He worked closely with the student council president on the girl's class schedule. So he always appears in every room you go to. For example, the locker room after sports time.