The little brother hates getting compared to his all-achieving older brother. On occasions, he goes to this store that has butts on the wall to enjoy himself. One day, he notices that his older brother has a mole on his right wrist, and the person in the wall that he often frequents also has a mole on his right wrist.
Included one-shot: Oshiete Shotacon Sense!
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Nakagawa, Riina (Story & Art)