DASS-058 When I found out that her younger sister was a 3-year-old girl, I took advantage of her weakness and made her my sex friend. - Himari Kinoshita

Chinatsu and I have been dating for half a year. - When he goes to visit China's house for the first time, he encounters her younger sister, Himari. - He and Chinatsu are stuck in a rut, and while surfing the internet on a girls' site looking for some stimulation, he spots a familiar face. - Believing that she is her sister, they exchange messages.