From Tokyopop: Mikako, our over-zealous heroine, has a sister-complex so strong she won't let just any man wed her sister. On an undercover investigation to learn more about the newest bachelor, she ends up moving in with him! Plus the guy is a highschool kid just like her! Mikako's relationship with him starts to grow. What'll happen between Mikako and him?!

Accompanied by a talking lantern, Mika pursues her sister on a quest to retrieve that which was stolen from her long ago.

A story about a boy who is able to talk to the Gods.

Traveling all over the world seeking treasure and attention, there's nothing that the flashy phantom thief Joker can't steal! Using his incredible ability to predict and calculate, as well as a few gadgets, Joker always makes a miraculous escape, no matter how dire the pinch he finds himself in.

Each chapter of this action comedy manga features Joker and his sidekick Hachi pulling off a caper in a different geographical location.

Note: Winner of the 58th Shogakukan Manga Award (2013) in the children's manga category.

Batoto: This is the story of a mangaka, a killer maid, and body swapping ramen, with a side of gratuitous violence and explosions.

Beautiful women are being targeted and horrifically killed by an unknown assailant. Cries for justice keep pouring into the police department, but the team assigned to the case is not even close to catching the evasive killer.

Just as they're at their wits' end, a reclusive young man with a mysterious ability arrives and offers the investigators his assistance...

An offshoot of the original Hetalia - Axis Powers work, Hetalia - World Starts follows the strange personifications of Italy and other nations as they navigate their world.

The story of a woman who asks the lesbian who's in love with her to kill her husband and their life on the run after the crime has been committed.

The Freezing Pair Love Stories manga tells the story of how the various Pandoras and Limiters met. The first chapter focuses on the characters Ganessa Roland and Arthur Crypton.

In this heartwarming series, Hana stumbles upon Cafe Requiem, a special place where the spirits of the dead still linger. Each soul has a story, everyone has a final wish. By helping them, Hana finds another side of herself and those around her. Is Hana's special ability to see the dead a curse or a gift?
- TappyToon

Official Translation
Original Webcomic

Struggling manga author Satoru Fujinuma is beset by his fear to express himself. However, he has a supernatural talent of "noticing things" that forces him to help people.

Boku dake ga Inai Machi Gaiden

Since the beginning of time ninjas have been regarded as people with great skill and power, the Blazing NinjaMan (Shinobi Mantaro) is one such young man. There is only one problem, the era of the ninja has come and gone. How can Shinobi consider himself a ninja in modern day Japan (1990s) and survive the daily rigors of high school life.

Day laborer Kazuya Shibuya is feeling frustrated with his boring, day-to-day life when a mysterious game called “Blackout” is delivered to him out of the blue. Not knowing what is going on, he starts to play the game, only to find out that what is inside surpasses anything he could have ever imagined. No one has ever managed to beat this game shrouded in mystery. Is “death” awaiting him at the end...? The battle-filled fantasy novel popular on website Everystar is now a manga!

Mitsumine High School is known as the school with the most juvenile delinquents in the country. The students are so violent that even the teachers are scared for their lives. Sunahara is the leader of the first years and is the strongest dude of his class. But when the transfer student Asagiri Shinnosuke makes an appearance at the school, he starts taking down names and kicking up dust like a tornado. If the students thought things were violent and unpredictable at Mitsumine, they haven’t seen anything yet since Asagiri is here to become the champion of the school.

""I still love you, Trash Bird""

From MangaHelpers:
Yasaka Tokiwa lives in an unusual time, and according to his dreams, it's about to become even stranger. He's been having a dream of a woman called Ri'in ever since the robot, who he calls Makina, came to his home. He and Makina attend the same school, where their other classmates include a secret ninja (Kusanagi Kanata) and a sorcerer (Yata Haruka).
When Tokiwa, the robot, the ninja, and the sorcerer rush to rescue the student council president from a demon, the boys find that they've all been having the same dream! What is going to happen to their world?

The story revolves around Tsunashi, the child of royalty who was left behind in the lost kingdom of Karan. He is expected by those around him to awaken his great powers that sleep within him in order to revive the kingdom — but rather than fighting, Tsunan enjoys playing in the world of books. However, he must become serious soon, as a new army is threatening to invade Karan.

Two girls, Ichinose Haruko and Nikaido Natsuko, bump into each other by accident, resulting in a kiss and them swapping bodies.

The only way to swap back is to kiss again...

I love math. Just after the high-school entrance ceremony, I meet a beautiful girl: Milka. Milka is a mathematical genius. She shows me many math and many elegant solutions. Milka and I spend a long time discussing math in the school library.

One year later, I meet another mathematical girl: Tetra. Tetra is one year younger than me, and asks me to teach her math. While I teach her, she begins to understand math and gradually to love its elegance.

The third series is about logic puzzles, Peano arithmetic, epsilon-delta, Cantor's diagonal argument, Hilbert's program and Gödel's Incompleteness Theorems.