One of the Summer A candidates who's basically Ango's arch-nemesis. He's been holding a grudge ever since Ango beat him out during the final test, and he doesn't let it go.
Things escalate when Ukai ends up in a serious accident that leaves him unable to travel to the future. That's when he swears vengeance on Ango—and he means it.
Content compiled by AnimeList.moe from publicly available sources.
