If we are talking about favourites, gonna go with roommate and then the classmate. Sure she is problematic and needs to learn about consent. But pampering is out of this world.
Tongtong says screw your cliches and reassures her obviously distressed girlfriend and gets an adult involved. Also screw nuance and socio-economics. Xiao Lu's mom sucks. It is her fault for marrying a deadbeat and wasting her life working for her daughter.