What is chuuni?

Panel 1
Caption: Sometimes I ask myself “what is chuuni?”
Next to Ane: Because I think it is an essential perspective for creation.

Panel 2
Caption: I think I’m very much a chuuni myself, and I’ll tell you why.
Ane opening a chest: I want to open treasure chests and stuff.
Ane holding a stick: I get really excited when I hold a cool stick.
Ane wearing a glove: I feel stronger when I wear gloves.
Ranko: Sis. Hey, Sis.

Panel 3
Ranko: That’s not chuuni. It’s just childish.
Arrow pointing Ranko: Adult eyes
Ane: What!?
Next to Ranko: There is a lack of that kind of self-awareness