World Trigger Episode 56: The Secret of Lilith
Episode 56 of 73 of World Trigger, aired November 28, 2015, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Shiori takes Yuma, Osamu, and Chika on a relaxing trip to Shizuka Marine World with Zeno and Lilith. But the peace is interrupted by an attack by Gieve's powerful Trion soldiers. Lilith's body reaches its limit and begins to change, revealing her secret.