Kouyoku Senki ExS-Tia TS Parallel Episode 3 - Twilight Sabre | 光翼戦姫エクスティアTS パラレルエピソード3 トワイライトセイバー

As the Xtians were being defeated in their fight against Naiolo. Shiho Souma activates the Xtia System and defeats Naiolo. However, perhaps as a reaction to the system, Souma's body is transformed into a female body. While Marina and the others are unable to fight, Souma throws himself into the battle against the remaining monsters.