Kotaro, who has a weak nipple, works hard to fix his weaknesses, but even though his body becomes stronger, his nipples are still sensitive. - One day, her mothers friend, Nozomi, came to her house ... - Nozomi, who was sexless with her husband, suddenly changed when she learned of Kotaros erogenous zone, stealing the eyes around her and playing with his sensitive nipples. - Kotaro, who reacts to the pleasure of being sucked and licked many times, is confused by his first experience but is absorbed in her nipple torture.