Saph and Cerise would watch him together (mainly cause Cerise doesn't think he's very good with pets), but they'd just chill at their apartment while Kiki and Sasha have their little date~ Saph would absolutely start babying Beelzebub like she does with her sea slug Pepper, much to Beelzebub's dismay I'm sure lol

Astra would bring him everywhere with her throughout her day (while she gets food, goes training, does salmon shifts, etc.). She probably accidently leaves him in her bag sometimes and even leaves him at her previous spot before she remembers and gets him back- she is not a good babysitter lmao