An unusual tale unfolds as Alkeros, an incubus needing to engage in intimacy with the high-ranking human Koutarou for his graduation challenge, faces a hurdle. Koutarou, grappling with erectile issues from his corporate grind, finds Al moving in unexpectedly to fulfill his mission. As Al aims to arouse Koutarou, the tables turn unexpectedly, leaving Al in a surprising position of vulnerability and desire. A comedic yet intriguing series of events ensue as their unconventional dynamic unfolds.