Parallel Paradise manga volume 22 features story and art by Lynn Okamoto.

The lines are drawn. Yota, Rumi, Leigh-Mary, and the Guardians who have allied with them have infiltrated the castle. But reaching the empress won't be easy. The throne room is guarded by Yalya, a witch feared for her mental attacks who hasn't moved from her post in centuries… until Yota shows up. Has the witch finally found a worthy challenger? With the women being used as pawns in a sexy game of domination, will Yota be strong enough to overcome the sensual assault? Or will he and his allies be trapped in Yalya's deadly mental plane for eternity?