Due to an accident when he was in middle school Agamatsu has been seeing strange numbers in the head of every person, and then realize that the number represents the times a person tells a lie. Everytime a person tells a lie the number above their head increase. That is why he doesn't trust anybody.
But one day when he is wondering around the school, he came to a rundown green house. Ther he met Misano Aoi the President of the Biology Club, the very first person whose lie count above his head is 0!
What will Agamatsu do finding a person who doesn't tell lie ever since?
Find out their adorable story!
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