Just when I thought it'd start with you, you disappeared; I would've never thought this...
Yuna has lost trust in love after her first boyfriend Takumi broke up with her. Shiina-kun from her class has already confessed to her twice and now finally she approached onto love another time. But Takumi appears in front of her!! What will the swaying Yuna do!?
(Source: Chibi Manga)

At school Mahiro was a super sober girl. But after school she is doing cosplay in a cafe... She has a double life. But is her classmate Hinata-Kun has discovered about her secret...?
(Source: Chibi Manga)

A cute short story about a girl who's a tomboy, but whenever she's around him, she seems to turn girly.

1-2. Kedamono Kareshi! (Beast Boyfriend!)
3-4. Kare x Kare (Boyfriend x Boyfriend)
5. Unzarisuru hodo Amakushite (Spoil Me Till It's Tiresome)
6. Toaru Hi, Enami to Tada-kun

From Nagareboshi Manga:

?Oresama Ouji
Sawa hates Judo. She was once really good at it, but boys always rejected her because she was so strong. Now she's entering high school and the gorgeous captain of the Judo club has selected Sawa (against her will) to be the club manager! He also claims he knows her from the past... How will Sawa deal with managing the sport she hates most, especially since the captain seems to like her?!

?Koishiteru...

?Koiseyo!! Onna no Ko

Yanagisawa Aiku is president of the flower-arranging club. Because she has very little members, her club will soon be closed down. To prevent this from happening, she demands to the student council president that he shouldn't close it down. The president, Hosaka Ryousei, said he wouldn't close it down only if Aiku would go out with him. She agrees and steadily falls for him. But there are rumours that Aiku falls in love with a girl and then dumps her to go with another. Is Aiku just one of those girls to him? ~LB(Love_Blossom)

From Manga Abyss:

Hotaru managed to get in the same high school where Haruna-sensei teaches to see him again! However, on her first day there, she meets a very unpleasant guy who looks just like her beloved sensei...?

Saya is an ordinary, lethargic female high school student. While she was alone at karaoke, singing enthusiastically a song of her favorite artist, Takase Kazuki, the person himself was watching her…?!

From Chibi Manga:
Because she wanted to attend her grandmother's funeral, Miharu returned to her hometown. Over there, she met a strange boy. And then, she'll discover his true form...

Just by talking to the famous Yagami-kun, Shizuku’s high school life has become hard even from the start.

(Source: Chibi Manga)

Tsubasa, a normal teenage girl, promises to her dying grandfather that she'd fufill his last wish. However, it turns out that she must marry the heir of a tea ceremony school due to her grandfather's promise? What?! But, there are two heirs, so she must decide who to marry, or if to just run away from her problem.

I was drifting about deep in the darkness but where am I exactly? In another world, another me found love...

A fantastic love story across space-time.

(Source: Chibi Manga)

From Manga Abyss:

Wakaba attends the cram school where the popular Toudou-sensei works. The quiet but easily angered Wakaba is a weak person… and she suddenly confesses! Even though Wakaba thought she wasn’t being taken seriously, sensei came to console the broken-hearted Wakaba. They decide on a ‘trial date’ to see if they’re compatible, but sensei is an adult and also popular, and Wakaba is uneasy…

Contains two extra stories:

Aoi Bokura
Yayoi and Junya are a couple. She was dumped by her ex-boyfriend for whining and being too clingy. So this time she restrained her feelings towards Junya, including her jealousy of other girls.

Love You
Arisugawa Koto, the student president of an all girls high school, meets with the boys' student president to plan a mixer between the two schools. She remembers Taichi from her childhood when she confessed to him, but he calls her "ugly."

You can't compare me to the perfect sister! I don't know any sister but when I entered in a far away high school something happened...

Mi lied about her age and is working part time. She was in an extreme bind when she was seen by Sawamura sensei! But sensei permitted Mi to work there. This is the beginning of a secret relation with sensei. When Mi is with sensei her heart beats faster. Is this sensation… what you call love? But is the reason why sensei is so nice to me because I’m his student...!?

A collection of five of Aikawa Saki's oneshots:
1. Houkago, Sensei to Koi ni Ochiru
2. Ururude Hanikami
3. Renka
4. Himegimi Kakumei
5. Karekano Shigan