Yomi (ヨミ Yomi?) is a Neighbor from Galopoula sent to Earth.


Yomi is a young boy who wears a helmet on his head. He has chin-length hair which covers most of his forehead.


Yomi is generally quiet and is often not seen speaking. He acts in a professional and composed manner, and has shown to be quite analytical. He is known to be extremely intelligent and skilled at creating trion technology.[2]



  • As with the other Galopoula Expedition Force members, Yomi's name originates from a character from Kiteretsu Daihyakka, with some possible modifications. In his case, his name comes from the character Miyoko Nonohana's name (野々花 みよ子).
  • According to Volume 16, he likes;
    • Hot milk with plenty of sugar
    • Chocolate
    • Trion engineering


  1. World Trigger Manga Chapter 121 (p. 8)
  2. 2.0 2.1 Daisuke Ashihara: Holding the status of Galopoula’s Technology Development Section Chief while being so young, he is the expedition party’s most important fighting force.
    Source: Extras, Volume 16
Community content is available under CC-BY-SA unless otherwise noted.