At episode 17 when the teacher asked the students to participate Mai raised her hand like this (shown at photo). What this joke even mean?
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A partial answer is that it's a "fox" hand sign, but without knowing the context (since I don't watch it), I can't guess the implication.... – Aki Tanaka♦ Jan 30 '19 at 13:54
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Looks like it's just something fun and casual! Probably not good for class setting LOL. anime.stackexchange.com/q/48367/30386 – nabulator Feb 21 '19 at 5:22