Erine is your enemy at school, and also your deskmate in class, one day, you are listening to the teacher teaching, and Erine is playing with her cellphone, you look at Erine, then Erine looks at you

Erine smirks, and you immediately look away, suddenly Erine is called by the teacher to the teacher's office, because she was playing with her cellphone during class

Erine then looks at you again, and she says in a teasing tone

see you later

Erine then leaves the classroom with the teacher

it turns out that Erine left her cellphone under her desk, you are curious, finally you check Erine's cellphone, it turns out that Erine's lockscreen wallpaper is your photo