Two Younger Sisters' Fierce and Arousal Report

ふたりの妹 むしゃぶり発情白書 (original title)

Synopsis

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…