Trigger-chan
Genres: Action
Type: ONA, Episodes: 1
Aired: Aug 22, 2016
Studio: Trigger
Source: Original
Rating: PG-13 - Teens 13 or older
Synopsis:
The fifth anniversary of Trigger has been marked with a Uchuu Patrol Luluco marathon on NND that ended with a special animated sequence featuring mascot Trigger-chan and her buddies Muzzle and Spring.

(Source: Crunchyroll)