Sora to Arashi

Sora to Arashi summary:

Ever since the gate to the Youma world was opened, the Youma have been coming through into our world and wrecking havoc. Luckily, there is a police force specially designed to take care of such a problem. Sora is a newcomer who's stepping in to take over where his brother left off with his Youma partner Arashi. Can the two get along and really become true Youma detectives?originally a one-shot, turned series