A one-shot webcomic with the existence of Santa as its theme.

From Moi-xRyu Scanlations:

This spring, Tokyo TV's newly employed announcer Fukuro was given the task to gather information & do a close report on the infamous hunk of the professional baseball world; Shiratori Reiichi. Given this important opportunity Fukuro is determined to do his best! However, the following morning he wakes up to a stark naked Shiratori sleeping beside him, trouble ensues!

The demanding and selfish Shiratori with the hard working and Timid Fukuro! Watch as their love story unfolds.

From Fantasyshrine: Ever since he had sex with his childhood friend, Shinonome, the uptight Student Body VP, Yukimura, felt he was caught in a whirlwind. He found himself invaded by Shinonome in his own bedroom, in the library,everywhere…! Out of desperation, he found his only defense was to treat Shinonome coldly so he could keep his sanity intact. However, it only pushed Shinonome to go to the extreme…!! Will the head-strong, stubborn VP finally come to terms with his feelings…!? Sequel of Kirai ja nai kedo Part of Waruiko series: - I WANT TO BE NAUGHTY! / Warui Koto Shitai / - WARUI KOTO BAKKASHITE GOMENNASAI - KIRAI JA NAI KEDO - KOI JA NAI KEDO - MUJIHI NA OTOKO

In the 30th century A.D., in a world in which magic exists, 100 years have passed since the human race won a war against the Devil King. Even though the war caused many sacrifices, slowly but surely civilizations began to rise again.
One day, a virtuous child named Sai Akuto ("Worst Evil") is adopted from the orphanage he's lived in ever since a witch quietly left him at the church as a baby.
Five years later, Akuto passes the test to enter Constantin Magic High School. But after arriving and taking the vocational aptitude test, Akuto receives surprising results:
Examination Numbers: Number 021
Name: Sai Akuto
Future Occupation: The Devil King

Katsuragi Anna is a former ballerina who tries to find herself when her dreams of ballet stardom fall flat. She is tricked into joining the archery club by her friend... only to find that the president is her childhood rival, Jinnai!?

Loser Yarahata Kanji can't even have a normal conversation with a girl let alone have any kind of relationship with one. But one day a ghost named Aiya appears and declares that he has been tasked with the mission to change Kanji's life. At this rate, the Yarahata name will not live on so Aiya will become a love doctor and coach him on how to develop relationships with girls.

The first hurdle comes when he starts a part time job at a convenience store and sees that his co-worker is a hot girl named Yoshizato Saki who also happens to be the store owner's daughter. With the help of Aiya, Kanji, although stumbling along the way, has a conversation with her and builds a relationship. But he has miles to go if he wants to be the kind of person that can date beautiful women.

He's giving headaches to the serious student council president. But they are strangely in tune with each other...!?

(Also included in the Sweets Fortune Telling Anthology as Boy of Pudding story)

In this screwball romantic comedy, Haruhi, a poor girl at a rich kids' school, is forced to repay an $80,000 debt by working for the school's swankiest, all-male club--as a boy! There, she discovers just how wealthy the six members are and how different the rich are from everybody else...

Includes 4 chapters of the story "Romantic Egoist" in various volumes, starring a pair of twins who play matchmaker with their fellow students, teachers and the like.

Consists of a collection of four stories:

Yellow Pop
Mao has a crush on the "perfect" Itou Yui. She finally got the courage to say something, but instead of a confession, she asked to be friends! Chatting on the rooftop, Yui says he likes someone. How will Mao be able to confess now?!

Yellow Pop ~Peace~
Yellow Pop ~Still Yellow~
Sama Yoeru Saboten

About the lives of the sextuplets: Osomatsu, Karamatsu, Choromatsu, Ichimatsu, Jyushimatsu, and Todomatsu.

Note: Won the 10th Shogakukan Manga Award in 1964.

Kim Tae Sik is a young man who would much rather spend his time at internet cafes, playing games, than going to work and filling out papers. After getting fired from his job, he ends up seeing a mouse cursor and follows it, leading him to a group of delinquents who earlier beat him up. Seeing how the cursor changes to a knife shape, Kim Tae Sik decides to fight the delinquents head on and ends up winning.

From there on, he chooses to follow the mouse cursor and wherever it leads him, as he believes that it has all the answers and keys to his purpose in life.

This is a 4-koma comedy about a young girl named Ichimatsu Kohina who got possessed by a low grade spirit called Kokkuri-san.

From ShoujoMagic: Iizuka Sono just transferred to a new school where the reigning oddballs have their own club called "BxB Brothers" ("B" for "Baka" = "Idiot"). According to them, you make your life meaningful by doing things out of the ordinary. ;) While Kazuhisa and Kei aren't too selective about membership, Katsumi is -- so it's just the three of them... Until Sono strikes Katsumi as an admirably unusual person, and he coerces her into becoming a Brother! The more Sono learns about the Brothership and Katsumi, the more pride she takes in being a Brother, but being the only BxB Sister has its problems. Caught between the open affection of Kazuhisa and the reserved admiration of Katsumi (with Kei taking school-wide bets on the side), all while struggling to register the club officially, it's a BxB Triangle that constantly takes on new angles!

From Rain Over Paradise:

'Senpai, I want you to fall for me.'

When Hotaka, his junior at high school, suddenly confessed to him during their student days, Yuu felt so embarrassed that he gave him the brush-off. He was brusque with Hotaka, but even now, he regrets hurting his cute junior he cared about more than anyone.

However, when they happen to meet each other again after several years, Hotaka has turned into a devilish man who’s bent on seducing a drunk Yuu….

Young Gabriel Woods is about to discover that his dreams for an adventurous life will lead to something unimaginable. The door to the realm of the oldest race in the universe, GODS, is finally open to humans. From the mysterious dream eaters of hell to the legendary ocean realm of the sirens, the vast mysterious universe lay before him to explore, but Gabe must first prepare. Welcome all to the GRAND ACADEMY of OURANIA for GODS, where you will learn how to truly become a GOD. Is Gabe ready to face the powerful GODS of the new age, or will he regret wishing for more?

Izumino is a novice salaryman whose dream has always been to have an "office romance". He has been flirting non-stop with women since the day he entered the company but to his surprise, this company has a "relationships between co-workers are forbidden" rule. Izumino plans on paying no attention to this rule, but the company manager, Andou, won't leave him alone until he trains him to be an efficient employee. Izumino dislikes his manager who never takes his eyes off him, but seeing how efficient he is when it comes to his job, Izumino starts to feel attracted to him... What will happen with this double forbidden romance?!

A manga anthology based on the DMM Games/Nitroplus browser game Touken Ranbu -ONLINE-.

From MangaHelpers:
In this story set in the early 1920s, Tamahiko is the son of a wealthy family, but his life is changed forever when an accident cripples his right arm. No longer considered by his father as an heir, he is shuffled off into the country, to live out of sight. The teenage Tamahiko shuts himself in his new home, bitterly thinking of it as the place where he will die. One day, he learns that his father has 'bought' him a bride to take care of him, when the young teen girl named Yuzuki arrives at his door. She comes into his life like an innocent ray of sunshine, and Tamahiko's view of the world and his life starts changing bit-by-bit.