Kugayama Raizou

He's the father of Mika and Wakana and he's the President of the Kugayama Industries. He's a large imposing person. Really protective toward his daughters, but due to his work he can't afford as much time on raising them as he'd want to, which results with a rather shaky relationship with Mika who'd desire parental love. Unfortunately as their mother passed away, he's shouldering this task alone. He loved his late wife a lot

Spoiler

and would even go to extreme lengths to revive her in some form.