When he went to a soapland specializing in mature women for the first time to lose his virginity... it was his mother, Ayaka, who appeared there! Kota never expected to meet Ayaka at a brothel. He was confused and embarrassed, and lost all motivation. He somehow managed to convince Ayaka to quit the shop, but... "I'll show your body how wonderful working in a soapland is," and before he knew it, he was being serviced...