From JShoujo Scans:

When Ageha was younger, she watched a tennis game and was affected by a passionate young tennis player. Years later she was determined to become the number one tennis player and to join the tennis club in her new high school.

Super genius inventor Shizuka, also known as the walking National Treasure, fell in love at first sight with Hajime-kun when she was 10 years old. She hasn't stopped pursuing him for 6 years! Every day, she worked hard to invent something that will get Hajime-kun to fall in love with her. Then, she created a love potion. However, Shizuka mistakenly drinks the potion, and falls in love at first sight with another man!! Is this what they call divine retribution? (Source: Manga Abyss)

From Nagareboshi Manga:

The protagonists, Hinako, Makoto, Yoshi and Yuki, are standing up!!

One day, the four are called to the principal's office and shown some scary graffiti that had been put up on the school wall. One reads, "I'll kill Shinozuka Makoto". It's their job to find out who did this, and who's after Makoto. Near-death experiences and mystery await!

If that time, I choose a different path, maybe this love will end in a different way. if i can go back to “that time”, what will you do…?

After playing Kokkuri-san, a game which enables this world and the spirit world to communicate, 16 year old Miku is attacked by an evil spirit. Is it just a coincidence that ghosts then, start trying to kill her?...or is it not? Can her classmate, Kanyama Riyou, an exorcist from a Shinto Shrine be able to help save her life?

Rika is pretty, intelligent, and attracts the attention of all students. As her house was collapsed, she came to live with Mitsuru's family. Mitsuru, who is a babe in the woods, tries to approach Rika repeatedly, but she regards him as a fool. Love is unpredictable, however. Rika finds it difficult to keep her virtue.

Ichiko is all set to move into her new dorm...except there isn't any space left! She ends up with a key to a small apartment nearby. But she's not the only one assigned to it...! It happens to belong to cool older guy Ran, and he isn't too happy with the new living arrangements!

Summary: Nagareboshi Manga

This school is funded by Kagaritsuki family. Yuki is the youngest child of Kagaritsuki brothers, and and idol in the school. On the other hand, Kashiwagi Chiyo hates Yuki…

The truth is Yuki is a vampire, and he always drinks Chiyo's blood. Why does she give her blood to someone that she hates? Is there any secret between those two?

(Source: Shogakukan, Chibi Manga)

For Yui, she has no "freedom" whatsoever. Every single day, she's always been ordered around by her childhood friend, Aya, and her little sister, Chika, and she can't help but to obey them. Though, one day, she receives a love letter from a classmate! For some reason...Aya seems very annoyed by this.

Megumi finds it discomforting being around boys yet on their class trip, she's assigned to sit next to Taketo-kun. After a small incident, they become friends, will romance bloom next?
(Source: Shoujo Crusade)