Yūichi Jin 5

Yūichi Jin  5 (迅 悠一 ➄, Jin Yūichi 5) is chapter 31 of World Trigger Manga

Short summary
The battle had finally ended, Yūichi won! In this chapter, some of Jin's past was mentioned, like how his mother was killed by Neighbors. Also a new character was barely introduced, Tsukihiko Amo, who reflects a bad reputation on Border. Meanwhile, all the higher-ups were having a meeting over the Black Trigger when Jin interrupted them with a proposal, to make Yuma an official Border agent in exchange for Fujin.