Ep. 52: Chika and Osamu attempt to lift Lilith's spirits while Karon and Gieve launch an attack.
Aired on November 1, 2015Filler

52
Lilith struggles to conceal her deep sense of isolation despite her attempts to remain composed. In response, Chika and Osamu collaborate with Kitora and Midorikawa to devise strategies aimed at cheering her up and alleviating her emotional burden. However, their efforts are interrupted when Karon and Gieve initiate a strategic offensive. These antagonists take command of Trion soldiers who possess unique and specialized abilities, introducing a significant threat that complicates the group's attempt to support Lilith during this vulnerable moment.
Episodes
- Ep. 48 · Mikumo Squad aims for A-rank promotion while Osamu faces scoring struggles
- Ep. 49 · New arc begins with unknown Trion soldiers appearing at Border HQ
- Ep. 50 · Zeno and Lilith seek refuge with Yuma and Osamu in Shizuka City.
- Ep. 51 · Kazama Squad fights new Trion soldiers while Osamu seeks Zeno's past
- Ep. 52 · Chika and Osamu attempt to lift Lilith's spirits while Karon and Gieve launch an attack.
- Ep. 53 · Miwa Remembers His Past Amidst an Attack by Gieve's Spider-type Trion Soldiers
- Ep. 54 · Gieve and Karon deploy massive Trion soldiers to threaten Shizuka City while Osamu's team defends.
- Ep. 55 · Arashiyama Squad Reinforcements Clash with Gieve's Massive Trion Soldiers in Shizuka City
- Ep. 56 · Lilith's Secret Revealed During Attack at Shizuka Marine World