After Kakeru, Yuka, and their friends got popped (blown) out of the
hot spring, they found out that their swimsuits are off and became
naked, Yuka started feeling embarrassed and humiliated which
triggered her power and turned both Kakeru and Takahisa into girls.
Youtube Video (NSFW):
originally posted by juupton on 2015-06-18, 1 edit, entryid=9632