From Lovesick Alley and Sunday Scans:

Tsubomi is in her second year of high school and has a crush on her homeroom teacher. She plans to give her teacher a birthday gift, but unfortunately his birthday falls on a weekend... After finding out that her classmate Fuma Yabuki is her teacher's cousin, she tried to get him to help her but despite being related to her homeroom teacher, who is nice and warm, Fuma is very standoffish and doesn't want to help her out. Will this be the start or the end of Tsubomi's love?

My day is not going well. First a girl won’t leave me alone. Then she’s all over another guy. Sheesh!

Kurihara Airi is part of the student council, she's an excellent student and has very good grades, but she's very bad when it comes to love. Behind her facade, there's a controlling girl who doesn't know how to become "cute" until a new neighbor enters in her life as her private tutor. Will he teach her to increase marks in love?

About a girl who is unlucky in love even though she is beautiful.

From: Iskultrip Scans:

Young girls experiencing frustrations and growth, a story of youth.

Raised in the small town of Kinoto, Shiho is a third year in Middle School. She loves playing piano and dreams of opening a piano school in town in the future. An attractive student from Tokyo, Nanami, transfers into Shiho's class. Through meeting Nanami, Shiho's world starts to change.

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From MangaHelpers:

Kurata Shiho lives in the small town of Kinoto, up in the mountains. She's in her final year of middle school, and she loves playing piano in the music club. Shiho dreams of teaching piano in her small town in the future. One day, a transfer student arrives from Tokyo. The transfer student, Koba Nanami, is beautiful, but quietly contemptuous of the isolated country town.

Soon, Shiho learns that Nanami is much more skilled at the piano than she is. What's worse, Nanami has no interest in piano, and mostly quit playing years ago. Will Shiho be able to continue enjoying the piano and strive for her dream, knowing that she doesn't measure up to even indifferent players her age? On top of her musical dream, Shiho is moving into the awkward teenage stage of life, full of small humiliations, friendship, and tentative romance. [tethysdust]

Mai, a young girl about to turn 17 encounters a handsome boy sitting on a tree. What's weird is he asks for her help to climb down..... what kind quirky guy has Mai come across? and will this encounter lead to something in the coming future?

From Sumie:

The near future, the afterworld, and the perfectly normal present day. The five stories in this anthology revolve around the girls who deal with the uncertainties of fate; sometimes happy, other times grim.

1. Toki o Kakeru Mae ni (Before Crossing Time)
2. Otouto-kun (Little Brother)
3. Shitsuren Family Restaurant (Heartbreak Diner)
4. Us, you and me (Us, You and Me)
5. Sayonara Watashitachi (Good-bye, Us/Good-bye My Life)

A smart weak boy in the wrong school wonders why students waste their time on sports.

From MangaHelpers:
This is a collection of 4 short stories. One story tells of the ghost of a pretty girl who died too young. She has unfinished business, particularly with the boy she likes, and she's willing to possess someone to deal with it. Another features a girl who is hosting a genius boy in her home, where she lived alone. She was looking forward to his arrival, but he seems to be unexpectedly unsociable and unfriendly. Is there some way the relationship between them can grow?

• Nostradamus to Sakaki-kun
A girl meets a boy who can see the future — what will happen?

• Himitsu Mittsu

• Tonari no Kanata

• Keep a Diary