>>536716972
tsubaki tank (unless yuuka is your studentwife then yuuka)
ny.haruna > hiyori > mutsuki red (you can switch hina with hiyori/mutsuki if you like her)
nonomi > momoi yellow
chise > asuna
use nonomi+chisa/asuna for blue
use nonomi/momoi+haruna for yellow
red ny.haruna is your core mutsuki/hiyori/hina is whatever flavor you like
special is ny.fuuka core with healing from serina/ dps buff from kotama/extra dps from karin (later stages)
ny.haruna and ny.fuuka are your best students to work around.