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Kiritan got her knives stuck in the mat
pixiv doesn't let you do long titles...
While doing a summersault before P.E. class begins, Kiritan got her knives stuck in the mat
and
While doing a summersault before P.E. class begins, Kiritan got her knives stuck in the mat and ended up doing a handstand
The one yelling is classmate Otomachi Una-chan.