Heat x Beat: I May Be an Omega, but I'm Going to Be an Idol!

Asahi wants nothing more than to be an idol, and when he's chosen as the latest member of boyband B-Marks he's over the moon. Except for one little detail; Asahi is an omega, and one of the other members, Madoka, is an alpha. Insisting on staying unmated to remain loyal to their fanbase, Asahi agrees to a "friends with benefits" arrangement to appease their hormonal urges without commitment. At least, that's what he intends...
"Combined with its charming character designs, I think this one is going to be popular even with people who aren't usually omegaverse fans." ― Lauren Orsini, Anime News Network