Bouncy Big-Breasted Idol: Auditions In The Bedroom (2014)

Blurb:
Mai is a newbie performer, but she can’t find any good jobs, so she spends her days as a hostess in a bar. Then one day, she meets a super hot star at a party … and he forcibly takes her out and has sex with her! However, afterwards he doesn’t even call her, and she’s left to despair about being fucked and thrown away … But then, for some reason, she starts getting a surprising amount of work! And then, finally, she gets to appear on her first music show! The song she releases also sells a decent amount, and everything starts going well for her! Then, she discovers that the media found out about the night she spent with that hot guy! She’s thrown back down to the bottom, but then, he reappears! How will this celebrity scandal end?!

Source: www.anisearch.com/manga/34969