Her not knowing how to comfort someone and looking up how to raise a child on google is actually really sad if you think about the whole thing with her mom
geez, as a bullier, Tong Tong is so stupid, silly and naive, yet so cute and sweet too. if she feels so lonely and wants to threatened Lin, she should makes her as a toy and forced her to do something bad, like licking her foot or pour a cold water on her head. yeah, I know, this shown to us that Tong Tong is actually a nice girl deep down, despite she tries to blackmail Lin.
Hopefully, this yuri gets decently far before the CCP catches up to the author and publicly executes him for showing homosexuality in a positive light.