Masou Gakuen HxH Episode 4 English Subbed Episode Title:Climax Hybrid.Episode Description:When she was young, Commander Reiri reveals to Aine that her Hybrid Gear contains an Immoral Weapon. An enemy fleet approaches Ataraxia and the Amaterasu attack the flagship but they waste energy fighting the Magitechs. Aine arrives at the flagship first but is shot down as her energy levels are too low. Kizuna rescues her and returns her to base. She is despondent as she sees her only value as a fighter, without a past or connections to people. Kizuna consoles her and tries to raise her self confidence and agrees to Hybrid Heart with her. Lab Director Kei Shikina advises him via a communications link that if he continues, Aine may achieve the Climax Hybrid and acquire the Immoral Weapon. They proceed and are successful. Kizuna and Aine rejoin the battle, he now has increased power and she has the Immoral Weapon which she uses to completely destroy the enemy fleet. Later, Aine tells Kizuna that during her Climax Hybrid she recovered some of her childhood memories, and wants to do it again. Kei Shikina believes she saw a human with the aliens attack fleet.