From Manga Abyss:
Takami and Akira are childhood friends who attend the same piano classes. Compared to the rough and boyish Takami, Akira is more feminine and cute and is also more skilled in piano. Takami thinks of Akira as a younger sister, but one day, Akira suddenly kisses Takami and says he likes her?

Haru loves her childhood friend Sagari, who is a model. But due to height differences, they are often referred to as brother & sister. But when Sagari realizes his feelings toward Haru, he wastes no time to dump his current girlfriend right in front of Haru. He then confesses his love to Haru. But then he says that what ever kind of guy she likes is the one he will turn into. Instead of confessing her feelings to him, she takes him up on the challenge, telling him that she likes guys that are the total opposite of him.
Contains one shot "Kamen no Pianist."

High Schooler Mei's parents have both passed away. The only family she has left in the world is her happy-go-lucky step father. Since her mom's passing she has had one question that she wanted to ask him...

From Taciturnity Scans:

Ever since the day Ran Kurono's older brother was killed while protecting Sei Ohtori, she has dedicated her skills and life to one day becoming the First Knight of the next head of the Ohtori family, even concealing the fact that she's a woman forever. For generations the Kurono family has served the Ohtori family as their First Knight, but 11 other lower knights with ill intentions of using the Ohtori family's authority vie for that title. Not only that, but Sei is being tested for being suitable for the title of head of the family. Upon entering Saint Locks Academy, the days of both Ran and Sei's trials begin, all the while being helped by Sei's untidy and unrefined fiance, Ibara Tennou.

When he was younger, Kujou Kiyosumi was incredibly awkward and nerdy. One day in elementary school, he courageously confessed his love to a girl, but she told him in front of the whole classroom that he was "disgusting" to be around. Shocked, Kiyosumi asked the coolest guy in the class, Sagiya Maki, to help him become more likable, too. Thus, began the days of training and now in high school, he had finally achieved most popular status alongside Maki. Everything seemed to be going along smoothly until...

Takahashi wants good luck for the new year so she can get closer to Yoshizawa, but instead her fortune reads "Terrible Luck." What's a poor unlucky girl like her to do?
(Source: MU)

Ryouga finally thought he was gonna get a place where he will be free of dirty messes. But as soon as he walked through the door, he found another guy named Keigo already living there and within one day the place was filthy. There was a slight mistake when it came to the rooms and until a new spot opens up, Ryouga will have to live with this messy guy. However, Ryouga has some rules in which they will follow - he will clean and Keigo will do the cooking because he's good at it. Daily life ensues between these two good looking guys.

(Source: MU)

Sayo is a "modern" and uninhibited woman whose greatest passion, however, is her work. Her workaholics ended up removing all the men with whom she had a relationship, who complained about how much Sayo was "married" to her work. One day, a new employee starts working in her company; Ryouichi Kiriyama seems different from any other man she has ever met, but she still doesn't know that underneath Kiriyama's facade, he hides something else...

(Source: MU)

High school student Setsuna Iwato becomes an erotic fiction novelist's assistant to help him rediscover the feeling of a "Pure Kiss."