From Peccatore Sanctuary:

The cheerful and open high school freshman, Nakazato Haruka has fallen in love! With his classmate - basketball's club Tajima Kaoru. Haruka started his fierce attacks, and also declared "You will like me for sure!" How will the cool and quiet Kaoru react after knowing about Haruka's feelings?

From MegKF:

A story about a young man named Kazuma who has to deal with the fact that his twin brother, Naoki, loves him as more than mere brothers. Will Kazuma return Naoki's feelings?

• Sweet vs Home
Living with a whimsical mother is hard enough for Tatsuya, but he is soon faced with an even bigger challenge; he finds out that his mother has married his teacher, and right after marrying suddenly disappeared. Kind hearted Takaoka, her husband, now has the burden of taking care of Tatsuya. They live together, and get along fine, but as their bond tightens Tatsuya soon starts having an ulterior motive...

• Hatsukoi
Koizumi's first love rejects his confession on the last day of elementary school. Forced to move to another town, years later Koizumi returns. At the start of high school, Koizumi and his first love are reunited.

Note: Reprinted under the name Hatsukoi

After World War III, humans and "Artificial People" co-exist in a lawless world. Conspiracies, conflicts, and mysteries surround an innocent love story between a human and an artificial person.

From Peccatore Sanctuary:

Murakami Keisuke possesses beauty which cannot be missed, many people admire him due to his beauty. But he has never accepted any one of these people. One day student council president Masaki, due to some incident started to become close to him...

Haru visits Canada to spend the summer holidays in the woodland house of his strict, strong-willed mother, Haruko. There, she burdens him with the responsibility of caring for his younger adoptive brother - a wild and unruly little boy named Ren who trusts no-one and prefers to wander in the woods with Haruko's dogs rather than associate other people. Haruko orders Haru to 'civilize' Ren. As the young man strives to teach Ren how to live in human society, their relationship gradually improves - so much so that Haru plans on taking his 'little brother' to Japan with him once he finds a job.
Unfortunately, fate has a cruel habit of interfering with one's plans.

Fujishima Takara goes to high school and will start living in a dorm because he has lost all his family except for his father, who's always away for his work. Takara has to share a room with Hosaka Kiyomine. Living together isn't easy, and many rows ensue. Kiyomine is very introverted, while Takara is just the opposite. At first the two get on each other's nerves because of those differences. But things turn towards friendship and later on towards love.

Five years ago, all but one of the inhabitants of Ootsuka village perished due to the plague... And the sole survivor wished only to follow her two dear friends to the grave. To prevent the deaths of the people who were like family to him, one of the dying boys used his last remaining breath to agree to a proposal put to him by a mysterious fair-haired man. Miraculously restored to health, the trio sought refuge in the adjoining village's church.

The story begins when the Imperial Church starts to express its interest in possessing Murasame, the demon blade rumoured to "contain life." But what connection does this legendary sword have with the three survivors of that devastating epidemic?