My girlfriend is Ying Li Li

Izumi Yu traveled through time, and his adoptive parents died, leaving only a younger sister named Izumi Sagiri.

Before entering the private Toyosaki Academy, the system awakened.

Proficiency can be gained through practice.

On the day when her skills were upgraded, she ran into Eiri who was hiding.

Yinglili: "Destroyed dog? No, warrior wolf!"