"I’ll grow up a little more this year!?" I go to the same school as they senpai I’ve always yearned for. but he is a little careless and a player!?

(Source: Chibi Manga)

Included one-shots:
Volume 2: Chicchana Kemono wo Hiroimashita.
Volume 3: Koibito Gokko
Volume 4: Hajimari no Ao, Shiritai Kimochi.

From Intercross:

Hayasaka Yoru lost her parents, and was taken in by her relative, Enomoto, who's a junior high school teacher. Her house is called "School House", which is on the premise of the school. The students would gather there and have fun every day, but when they go back, it's very quiet and lonely. One day, at school at night, she saw her classmate feeding a duck.Her classmate is the most scary guy. But she found himself not scary at all. That time is when her love story begin

From JShoujo Scans:

A painful love story of four childhood friends on a island.

Mimi comes back from Tokyo to visit and meet her childhood friends. Seems like they are worried about Mimi for the sudden visit. Seems like she's heartbroken when her boyfriend broke up with her. To lift her spirits her friends try to find the legendary blue cat that has a bell attached to its tail. Legend says it will grant your wish, but will this cat even help what Mimi is going through?

Shio loves to write lyrics, and it's her secret dream to become a singer. However, THAT GUY found out about the dream that she can't tell anyone else about?!! (Source: Intercross)

From Chibi Manga:

Because she loved drawing and wanted to do something special, she went to a famous art school.
And there she met the handsome and cool guy...

I want to fall in love with a handsome guy! I want a boyfriend! Two new handsome transfer students appear before Ajisai! On the Shonan and Enoshima stage, this love will begin!

From Serenus Dreamers:
Shun is a girl who used to be shy and gloomy. Wanting to change, she transforms herself into a bright girl when her family transfers into a new place. Hoping to fit in, she laughs and smile at everything agreeing with everyone. She starts to fear that her young teacher is seeing right through her. Is she just imagining, or is it true---?

Also contains two one-shots, Puberty Baby and Your Kotonoha.

A sweet love story which takes place under a strange roof.

(Source: Chibi Manga)

This gem omnibus contains first-love stories. "Being with you, my heart throbs." "There are a lot of people, but only you shine." "I went around together with many boys, but I just don't know how I should do with you." How is the flavor of the first love that one experiences only once?
(Source: MU)

From Nagareboshi Manga:

Nanaka loves to paint. So when she enters high school, she gets excited at the prospect of joining the arts club. However, there are only two members--the mysterious Chihaya and the energetic Kento. They're both good-looking guys, and Chihaya shares Nanaka's love for painting! Alongside the two gorgeous guys (and Nanaka's best friend)... what will happen?

Mai Kojima is a slightly ditzy 16 year old.
She’s gotten her first boyfriend! They’ve been dating for 3 months. Even though they should be at their most lovey-dovey, they haven’t been able to make out at all… That’s because her boyfriend Yu-kun is a super exam-taking student aiming for T-University. Every day is an uneasy one without much hugging or kissing. "Come on, I wanna do more lovey-dovey stuff!!"

[Summary By: Love_blossom]

Ousawa Miko loves bread. She likes them in any shape and size. So, she decides to work at St. Molly's bread store. Going down on her knees, she begs to the first person she sees exit the shop. When she looks up, she sees that its a boy her age! He decides to hire her and Miko can finally work where she loves!

Moemi has a crush on the new guy at school, and she's not afraid to show it. The problem? His family runs a travelling kabuki troupe - and they're leaving town in ten days' time. Can she win him over before he disappears from her life for good?
(Source: Shoujo-Sense)

Beniko, an old fashioned high school girl is suddenly forced to eat lunch with the new teacher in charge, Nomoto-sensei…
(Source: Chibi Manga)