Universal Tacos Plan! episode 1

Introduction and summary
Yuuki Kataoka, Kyoutarou Suga, and Capybara appear in what seems to be the Saki universe.

Yuuki explains that if your diet consists mainly of tacos, space tacos will fill you up even faster. After Kyoutarou calls her a weirdo, Yuuki tells him that his pet capybara has been eating them from the start.