Shun'ya Kaneko

Kengo Manaka is a young botanist, helping terraform Mars by developing flowers to bring smiles to the people - but strange dreams haunt him, of a shining girl and a Giant of Darkness! Kengo is drawn into a conflict 30 million years in the making, and must join with one of the mysterious Ultra-Ancients to become a Giant of Light! With his allies in the monster-fighting team GUTS-Select, Kengo must deal with the legacy of Ultraman Tiga and build the future as the light of hope - Ultraman Trigger!

Hiro, severely overworked, can barely function outside his toxic workplace. When he encounters Kai, a childhood friend he had once promised to marry, he finds he is steadily regaining a sense of purpose - yet Kai's motives remain unclear. (imdb)