Is it mandatory for Japanese elementary school students to wear lingerie?

[General] Is it mandatory for Japanese elementary school students to wear gwanjeori? 7
My sister is pregnant.
2025.10.21 16.55
Kill log
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It’s something I’ve never seen used before.
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37
It’s not good
concept

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randosil dude
10.21 16.56
O9
Randosil you crazy bastard
10.27 16.56
Tata Harrak
Oh Jangpyeong = Gu
10.21 16.56