"NTR: Netorare Gakuen: Hana no Joshi-tachi to Isekai Kara no Raihousha Side: Seigi" is a Japanese anime series that appears to be a spin-off or related work to the "NTR: Netorare Gakuen" series. The title roughly translates to "NTR: Netorare Academy: The Heroines and the Invaders from Another World: Justice".