One day, college student Takahashi Kazuki is shocked when his childhood friend, Konno Aoi, begs him, "Please give me your semen!" Aoi, who struggles with premature ejaculation, believes that having sex with Kazuki, who has delayed ejaculations, and ingesting his semen might be the cure. Amazed by his idiocy, Kazuki reluctantly agrees to help. To his surprise, their physical compatibility is amazing...?! Late x premature ejaculation - an occasionally heart-throbbing, dumb erotic BL!