1/3 Romantica

From Midnight Scans:

Hana started going out with Tokumoto-kun, who's popular with both the class and the girls. She's being played around with by the guy's pace. Hana falls in love more and more with his kindness and his sense of humor. But, then she finds out about his ex-girlfriend, who is a teacher…!

Also includes two other stories:

• Cm na Futari
This is a love story between childhood friends.
They’ve always been together so it’s hard to go from childhood friends to lovers, right? Michika thinks that people who try to trick her are bastards, but Yuki saved her. She thought he was so cool that she fell in love.

• My Life My Melody
Aoi met Kei, the street guitarist after running away from home one day. Aoi’s life is not at all perfect as her family kept ignoring and not realizing her existence. Can Kei help Aoi to go through with her life?