Like Hitomi who can't stand cold that well, Minjoo also has a weakness of her own.

Heat. Minjoo really, really can't stand heat.

Plenty of times her dormmates caught her in nothing but her underwear whenever they barged into her room unannounced. But really, she's in her room—she's free to do anything! It's up to her whether she wants to sleep with only underwear or better yet, completely .

One should knock before entering, and sadly none of her members really applied that basic manner until they discovered Minjoo's compulsive stripping every time she stepped inside her own room.

(Hyewon once told her she's like the stripper Buster Guy from Fairy Tail or whatever. Minjoo thinks the anime guy is hot, and accepts the insult as a compliment.)

If stripping to her underwear solves nothing, then Minjoo will seek ice cream to douse the fire. Quite often she drags Chaewon with her, until she had enough of Chaewon's bad choice of flavor and how the older Kim tried to recruit her into mintchocodan so she decided to change her target.

This time, being Hitomi.

Hitomi is a lot harder to persuade. She enjoys being warm more than being cold. Minjoo has to trick her into agreeing to go on an ice cream date with her, without any of her members tagging along. 

Why is it so easy for Minjoo to go on a date with Chaewon but not with Hitomi? Withou