隣のお姉さんがエロ過ぎてシコってたらこっそり抜いてくれた話

A young man ended up having a seat next to a beautiful woman on a night bus. After a moment of sexual excitement, he finds himself struggling to calm down. To discreetly settle things, he quietly starts to relieve himself… But then... He suddenly felt someone else's touch! The woman next to him is stroking him! Could this really be happening…? (Source: Coolmic)