Kotoko Ryuseimiya, a pure and simple girl from Hokkaido, makes her AV debut! She's 22 and works at a car rental shop! Her motivation for appearing in the AV is wanting to be penetrated by a huge penis! She sees a huge penis for the first time through oral sex! Kotoko shyly gazes at the huge penis multiple times! The feeling of blushing and her heart racing during her first time having sex with a huge penis, even the first time felt wonderful!