Katsuya just got something special that Hiroyuki cannot believe! Katsuya shows off a magical ring, and when he slips in on, his body takes on the shape of his most ideal girl. Amazed by the transformation, Hiroyuki puts the ring on and feels his body transforming, but as he continues changing, his mind is also forgetting his former self. Now they have fallen into Katsuya's trap…
also this is probably my favorite tsf story