Complete Kagi-P's Character Arc.

Complete Sweet-P's Character Arc.

Complete Stork's Character Arc.

Complete Shonen-Doll's Character Arc.

Complete Kuchinashi's Character Arc.

Complete Mirei's Character Arc.

Complete Ike-P's Character Arc.

Complete Shadow Knife's Character Arc.

Complete Wicked's Character Arc.

Complete Thorn's Character Arc.

Complete μ's Character Arc.

Banish Eiji from the Go-Home Club.

Complete μ's Remnant Episodes.

Begin activities as part of the Ostinato Musicians.

Clear the Mifue and Ayana battle.

Clear the Suzuna and Naruko battle.

Clear the Kotono and Eiji battle.

Clear the Shogo and Izuru battle.

Clear a melee battle.

Exterminate the Go-Home Club.

Complete Aria's Character Arc.

Complete all Ostinato Musicians' Character Arcs.