[ENGLISH-SUBTITLE] DASS-058 When I Learned That Her Younger Sister Was A Backdoor Girl From Hobetsu

I've been dating Chinatsu for half a year. When he visits Chinatsu's house for the first time, he encounters her younger sister, Himari. Chinatsu and I have become in a rut, and when I am surfing the net on the back dirt girls' site in search of stimulation, I find a familiar face. Convinced that she is her sister, they exchange messages. Triple HAPPY Campaign 2022! Himari Kinoshita makes a live appearance!