Ayase-ke no Onna ~Inka no Ketsumyaku~

Two sisters Mizuki Ayase and Hinata Ayase have transferred to a rural school. There is a secret about them that they stimulate sexual arousal in men unconsciously. Classmates and teachers become captivated by them. School girls become jealous and start to harass newcomers, and school plunges into chaos.

[From vndbreview]