This is a story narrated by two young anti-drug investigators. The protagonist Kai Eto and the outgoing and lively Mitsuki Takei receive orders to sneak into the school and start a battle of wits and courage with the underground organization.
The other protagonist, Cang Linchun, is a supporting role in this story. If you don't know about it, you can watch "Switch Anti-Drug Special Search Class"
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