The fate of the world rests on one man's shoulders. Or, to put it more exactly, it rests on his balls.... more>>

In a freak sealing accident the Queen of Terror is sealed into Satou Kohta's balls, thus preventing her from reigning destruction on the world. However, a lesser devil, the incompetent horned tsundere loli Elyse, has been sent up to Earth to release the Queen at all costs. The only way to do so is to make Kohta ejaculate, and Elyse only has 30 days to do it.

The battle for mankind has begun, in Kohta's pants. <<less

Makoto meets a sweet, shy girl named Haruna helping out at the school's athletics festival. He confesses his feelings for her the next time he sees her, and she bluntly rejects him, only to call him later and ask him out herself! The source of all these mixed signals is Haruna's "evil" twin sister, Natsumi. Natsumi is the opposite of Haruna, she's a forward, crude girl bent on trolling the hell out of her twin sister. Makoto is then stuck in the shenanigans between the two sisters, especially when Haruna shows that she's not one to be trifled with.... more>>

Included one-shots:

Volume 1: Hikaru challenge!, Detarame Machi no Kaigenshou. <<less

A shy, bashful, and nervous girl with inhuman strength named Torasawa Aiko tries to survive in a high school for delinquents (which she was forced... more>> into for being "accident prone"). The "abnormal" comedy begins. <<less

As a guy with no real friends, Nishina Tadatora has spent months just observing Ichinomiya Misumi who sits next to him in class. At first... more>> glance, Ichinomiya looks like a lonely girl without any special appeal, but only Nishina knows how sensually provocative she can really be. Upon realizing that Nishina is watching her, Ichinomiya begins to interact with him in her own unique way. But unbeknownst to Nishina, Ichinomiya also seems to be harboring a secret... <<less

Once, Kurokawa Mikage was the fearful “Witch of Moonlight,” but now, 300 years later, she’s just an office lady and teased by her co-workers for... more>> still being single. Mikage thinks she’s fine with her ultimate spinster life, posting fake photos of a pretend relationship… Until the young and handsome Kobayashi Satoru joins her company! Is this the start of a real, bewitching romance at last!? <<less

Izumi is a boy who has problems communicating with others and subsequently, he has not held a conversation with anyone for years. Shinohara is a... more>> gal-style girl who sits in the front of him, and he admires the way she can quickly write on her smartphone. Then one day, he speaks to her while casually helping her stretch her hand and she responds by saying he has a nice voice and should start interacting with people again. But he might need the help of both Shinohara and her friends if he is ever going to learn how to properly socialize with other people. <<less

A beautiful, talented and mystery-loving high school girl and a younger school boy solve mysteries in their day-to-day lives at school.

Mai has been helping out her childhood friend, Kunimitsu, every morning with soccer practice ever since they were little. After years of practice, Kunimitsu has... more>> been MVP 2 years in a row at the middle school nationals. One day, Reika - one of Kunimitsu's admirers - witnesses the two childhood friends practicing, and is shocked by Mai's ability to keep up. Determined to prove herself to Kunimitsu, Reika challenges Mai to a soccer challenge. Caught between her childhood crush and new competition, will Mai be able to hold her composure? With a tendency to get too nervous or fantasize about Kunimitsu, Mai has a hard time playing soccer outside of practice. Can she stop her lewd fantasies long enough to beat Reika? <<less

Heureka is a manga set in antiquity, during the Second Punic War between the small city state of Syracuse and the Roman Empire. The comic is based around the life and times of the famous mathematician Archimedes. ... more>>

Archimedes was not only a gifted mathematician but also an engineer of repute. During the conflict with the Romans, Archimedes was supposedly responsible for creating a number of war machines that devastated the Roman legions before they eventually got the upper hand. The exact nature and use of these devices is controversial, and exists more in the realm of legend than actual historical fact. <<less

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After spending half a year abroad, Kinosaki Yuichiro is in for a shocking homecoming when he discovers that his inventor/scientist father has given his 3... more>> dogs the appearance and abilities of girls. Now he is in for a ton of grief as he tries to cope with these changes. <<less