LOCK?!??!?!?!?!?!?!?!?!?!? AAAAAAHHHHH!!!!

Okay, so LOCK, Kasumi based on the ingame notification, probably Ako, Hina (?), and that yellow looks like Saaya.

TOMOE!!! Why are the white parts of her eyes green?

EVE!!!! Wait, how is this the untrained?!

PV of Poppin'Party's cover of Setsuna Trip:

YouTube video