SONE-509 The childhood friend who was jealous of me having my first girlfriend made me practice sex and manage my ejaculations. This is a tsundere masturbation support. Airi Nagisa

"The number one reason couples break up is because of sexual compatibility...!" As soon as I got a girlfriend, my childhood friend suggested we practice SEX!? "You're not allowed to cum until I say so?" Not even able to jerk off freely, this is demonic ejaculation management! But in front of 【a binaural design that stimulates the senses and adorable whispers of dirty talk that guarantees you'll fall in love for real】, it's no surprise that you'll get serious before you know it! This is a new sensation situational onahole support work!... "What? You already came? Girls will hate you if you're premature." *Headphones or earbuds are recommended for this work.