Two Younger Sisters' Fierce and Arousal Report

ふたりの妹 むしゃぶり発情白書

Also known as Futari no imōto: Mushaburi hatsujō hakusho, 股がり三姉妹 秘壺責め, Two Sisters Mushaburi Estrus White Paper

Junichi begins living with his girlfriend, Makoto, an insurance salesperson, at her house. Makoto's house is also home to two sisters: Rin, a NEET and cosplay enthusiast, and Kaoru, an aspiring actress who keeps failing auditions. With Junichi in a harem situation, the frustrated Rin and Kaoru begin aggressively pursuing him. Although Junichi fears the jealous Makoto, his lower body reacts anyway…