Kaori-chan Himitsu Nikki- Sakurano Mika

this series is about Kaori. She's a timid girl who can't do anything to develop what she feels for the person she likes so she writes her fantasies in her diary even during class hours. 

kaori bumps to a girl, Yuda, who accidentally picks up and reads her diary full of fantasies ! Yuda thinks of her diary as very good novel, so then, she agrees to help Kaori get closer to the person she likes but she has to continue writing goos stories in her fantasy-diary.

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COMPLETED

okaay, this is a so-so manga. good enough i guess, HAHA. the ending isn't that satisfying.but a good it has a good flow of events.