There are three short stories:
Story 01 - Samurai Darling
Amiko saw a boy dressed like a samurai at a school festival. What will she do?
Story 02 - Lucid Girl
Yuki rejects a present from his childhood friend Risa, but something happens and he sees things from a different point of view.
Story 03 - Some Kind of Childhood
Rika doesn't understand the point of kissing. Will she change her mind?
(Source: M-U)

Saboten no Himitsu is about a girl named Miku who has secretly been in love with a person who never notices anything unless it smacks him in the face! This dumb guy is called Fujioka by his peers. Whenever she tries to confess, he doesn't believe her or else he changes the mood of the conversation! Miku has done everything to get herself noticed by him, even change her appearance completely! But according to him, she's just a cactus alien! But it seems there's more to Fujioka than what meets everyone's eye...

[Summary by Love_blossom]

Taishi stays at Rie's house because his parents work overtime. Rie thought that he was actually her real brother! Now, Taishi says that she's "idiotic now and then". People think of Taishi as cool and mature, but Rie knows that he's just a brat inside...

Kurozawa Konomi loves her boyfriend so much, that she would do anything for him! But it seems that Hiro wouldn't do the same for Konomi. Actually, he's quite cold to her and orders her to do stuff. People say it's only a Master-Puppy relationship! Is this true? Is Hiro just using her?

Hidaka Mao was confessed to by her crush Chihiro-kun in junior high, but as soon as they started going out, she became unable to communicate with him. She is still confused about her feelings, but will this year's Valentine's day bring them together again!?

reading direction => RIGHT to LEFT

I'm Sonokawa Tsubasa, 15-years-old.

Right after starting high school, I fell in love with an upperclassman who saved me when I was anemic at the train station. I thought it was a destined encounter. But after running into him every day, I was rejected with one word: "annoying." While being comforted by my childhood friend, Yuri-chan, who's the manager of the boys basketball team, I found out that Yuri-chan had injured her hand! So now I'm helping with her job as the club manager...?!

(Source: Summer Rain Scanlations)

Included one-shot:
Volume 1: Stardust★Wink Bangai-hen: Sekai de Ichiban Semai Hoshi

Anna Koshiro has been friends with two handsome guys, Sou and Hinata, since childhood. She has a crush on Enamoto, a first-year high-schooler, but she has difficulty finding a boyfriend as everyone always wonders about the relationship between Anna and Sou and Hinata.
One day, she goes to Sou's house and finds out that Sou has a girlfriend. She is not jealous, but she feels like she has lost him. On the other hand, Sou's girlfriend is upset about how Anna comes into Sou's room so freely and asks Sou not to let Anna into his room again. However, Sou disagrees and ends their relationship. Anna decides to overcome the odds and confesses to her crush. Enamoto accepts, but upon finding out that Anna has a boyfriend, Sou gets upset.
On their first date, Anna finds herself in her room with Enamoto. She tells him about something that happened in the past: She once had a chipmunk named Coco, and when it died, Sou and Hinata brought her another chipmunk and telling her it was Coco. Her mother had told her to treasure Coco as the two of them had used their own money to buy Anna another chipmunk.
Enamoto then shocks Anna by asking which one of them she likes. After she replies that the one she likes is him, Enamoto tries to kiss her but Anna gets scared. She wants to call for Hinata and Sou but she can't. They both suddenly appear after Anna kicks Enamoto away. Of course, she cannot continue dating him after what happened.
Although she can't get what Enamoto asked out of her head, Anna is sure that the she will never be anything more than friends with Hinata and Sou. But what will happen when Sou confesses his love to Anna and asks her to go out with him?
(Source: JShoujo)

From Intercross:

15-year-old Fukushima Yuuya has always wanted to live on her own, in an inn next to her school. This new dorm of hers, the Strawberry Tree Dorm, turns out to be a place with weird people--a girl that touches her chest out of the blue, a guy with one of the shortest tempers ever. But the good thing is, there's a really handsome and nice guy that she fell in love with instantly! Not to mention a crazy cat who adores him (looks can be deceiving...). Yuuya's life has just become much more interesting...

Includes the following oneshots:

The Prince's Egg (Volume 2)
Satsuki has a boyfriend who she has dated for half a year. However, the thing she worries about the most is the fact that he's childish. All they've done together is play "Rock, Paper, Scissors."

Angel in Christmas (Volume 4)

Collection of 5 oneshots.

Sakurai Sayuki was born with sharp eyes that make her look like she's always angry, even though she's not. Because of her looks, students around her misunderstand her as a bully and scary girl when in fact she's "a romantic". After 15 years without a boyfriend, she started off her high school year with hopes of love...

Also includes:
Yes or Kiss (Volume 2)
One night, Miyu was confessed and kissed by her friend, Ai's, boyfriend.