[Palco Nagashima] Countdown! (Nyotaika Happiness!) [desudesu]

A mysterious curse or ritual begins to take hold when a simple attempt to summon a spirit goes awry. After a mishap involving burning paper and ashes, a young man finds himself struggling against a sudden, irreversible transformation. As his body begins to change and adapt to new sensations, he must grapple with the reality of his shifting anatomy and the unexpected sensations of a woman's pleasure. The tension mounts as he realizes his former self is fading, replaced by a new identity that is becoming all too accustomed to these new, intense experiences.