The Fruit Of Evolution Before I Knew It, My Life Had It Made S2 Ep 9 - F2F Transformations

Season 2 Episode 9 Gempel the Doppelganger
While Seiichi is away from the Academy in Wimberg Kingdom, Gempel the Doppelganger casts off his disguise as Airi and attacks each of Seiichi's allies in different guises.