A childhood friend and her partner decide their romantic partners through sex! Honestly, it's a love triangle where neither option (endurance & big dick) is truly viable due to the intense pleasure. (ROYD-287)

"Let me have sex first before deciding who to date!" Just before graduation, Miyu is confessed to by two childhood friends! So Miyu decides to choose her boyfriend based on sexual compatibility! However, one is "long-lasting," and the other has a "big dick"—both are too pleasurable for her to decide! Starting in a harmonious atmosphere, the relationship between the three crosses the line…