"What is sex?" "Oh, no...I've never known such a good feeling before...!" A treasure box was found by chance in the woods near the school. And inside... was a pile of erotic books and adult toys! Boys would naturally be overjoyed, but what the boy who found the treasure chest said was: ...... "What are a man and a woman doing naked?" --What!? Don't tell me, they don't know anything about sex!? For some reason, sex has disappeared from the world! The boys and girls start to research sex research using the erotic books they have obtained!! Playing with vibrators and electric masturbators, licking each other, aphrodisiac sex, etc. --What do these "unknown stimuli" bring to them...!?

(Source: Eromangajima, translated)

Note: Released in 12 episodes and sold as 4 chapters.

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Staff

• Suzuma Tsugumi — Story & Art