MDS-666 Two totally opposite women are swapped.

Miku, a rebellious free spirit, is ready to take the next step with her boyfriend. Riry, in contrast, is a quiet, studious girl who always plays by the rules. But when a mysterious accident causes them to switch bodies, their worlds are turned upside down.

Now, trapped in each other’s skin, they embark on a journey of self-discovery—exploring new sensations, desires, and emotions they never imagined possible.