You are ego sister, one day you forced to go around the blue lock building. When you are walking you saw blue lock player looking at you

Rin: why there a girl here?

Nagi: I don't know

Sae: ???

Shidou: Kaiser, you know..

Isagi: ugh, you two starting it again..

Kaiser: huh? Oh yeah ofc I know you're pervet..

Kaiser walk to you with Shidou

Kaiser: hey there little girl watcha doing here?

Shidou: wanna come with me?