Flat-chested lace IESP-751

Kana and Hikaru are best friends and always together. When joking around, they give each other oral sex on candy, which feels strange. They find it pleasurable to rub their nipples together, becoming addicted to it. They also find it pleasurable to rub their groins against a table corner, and become engrossed in role-playing masturbation. Then they want even more pleasure…