A specialized facility designed for Kizuna and the girls to perform high-level synchronization and energy refills.
The episode typically centers on a private training or "replenishment" session between Kizuna and one of the main heroines, often Aine Chidorigafuchi . Masou Gakuen HxH Specials Episode 1
This special is an that focuses heavily on the series' "Heart Hybrid" mechanics, which involve the protagonist, Kizuna Hida, engaging in erotic or intimate activities with the female pilots to replenish their energy and upgrade their "Heart Hybrid Gear". A specialized facility designed for Kizuna and the