Momoiro Jiru -The Peach Juice v.1.2 by Saboten (jap/cen) Porn Comics & Sex Games - SVSComics

The protagonist drank a drink that produces pheromones. Uh oh. If too much accumulates in his body he'll die. If he blows it all, he'll die. Sex is his only outlet, but he needs to maintain an even load. And time is running out. Team up with Nayu, the heroine who made him drink the drink, and scour the town and school for fresh drinks while purging the excess... into Nayu!