Knights of Sidonia

Knights of Sidonia (Japanese: シドニアの騎士 Hepburn: Sidonia no Kishi) is a mecha manga series by Tsutomu Nihei, serialized by Kodansha in their magazine Afternoon between April 2009 and September 2015, localized in English by Vertical. An anime television series adaptation, produced by Polygon Pictures, aired between April and June 2014 and a second season aired between April and June 2015.

Conflict (Season 2, Episode 1)
Pilots Kunato and Mozuku decide to explore Ochiai's abandoned lab and their bodies are invaded by parasites. Now under Ochiai's control, Kunato and Mozuku visit Numi's lab and puts her body under control of a parasite as well.