Crash!

Crash is about a girl named Hana who has a very unusual gift. Her home is a talent agency and she helps her mother using her "gift". She literally has nosebleeds when she sees someone with celebrity potential. Naturally, this is a secret she keeps from her classmates. On the company's anniversary, Hana is sent to find a new awesome talent. And that's when the story unfolds...

(Source: MU)

Included one-shots:
Volume 3: Wagamama Hime no Yakusoku
Volume 5: linkPiyokko 24
Volume 7: Good★Game