As a young child, Aizawa Yuuichi had often visited his cousin in the city; however, something drastic happened to keep him away for seven long years. Now, Yuuichi returns, his memories of those days are simply gone. Settling into the wintry town, Yuuichi comes across several young girls, all of whom are connected to his past. As he befriends them and continues to interact with them, the long forgotten memories from his childhood begin to resurface...

There is no putting it lightly—Tsunayoshi Sawada is just no good. He is clumsy, talentless, and desperately in love with the school idol Kyouko Sasagawa, a girl so completely out of his league. Dubbed Loser Tsuna by his classmates, he seems to be the very personification of failure in the guise of a middle-schooler. Tsuna's boring life takes an extraordinary twist when he encounters the mysterious Reborn, who happens to be a hitman... and shockingly, a baby! Sent from the strongest Mafia family in Italy, Reborn is assigned the daunting mission of preparing the dull middle schooler to succeed the ninth boss of the notorious Vongola family, who is on the brink of retirement. The dull boy has a grueling road ahead, but with the help of his new criminal affiliates and his peculiar home tutor, perhaps even Loser Tsuna can achieve greatness.

Upon first seeing Earth from the Azatos Empire's survey ship, Chief Investigator Liza Luna plans to eradicate every lifeform on it immediately, leaving behind only useful resources. While surveying the planet, Liza discovers that human civilization has evolved at a pathetic rate compared to other lifeforms. Liza makes her way to the surface of the planet to properly inspect and understand its inhabitants. Still convinced that there is nothing beneficial to be found, the investigator makes her way into a cafe to gauge the planet's food culture. Liza walks into a cat cafe, where she meets creatures far cuter than anything else in the galaxy. Motivated by this new discovery, Liza decides to investigate Earth's numerous adorable inhabitants.

Business deals are usually made through meetings and contracts; but in the world of Kengan Ashura, businesses resort to other means to make their decisions: by hiring gladiators. Yabako Sandrovich's Kengan Ashura depicts a world brimming with action, violence, and martial arts—one where powerful gladiators have fought in grand arenas since the Edo Period to settle the disputes of wealthy businesses and merchants. Ouma Tokita, who is nicknamed The Ashura, is a fighter trying to prove himself as the strongest. Hideki Nogi, a member of the Nogi Group, hires Ouma to fight for him and makes Kazuo Yamashita, an average middle-aged man, his manager. The duo is thrown into fights facilitated by the Kengan Association. Their journey will be full of ruthless battles with other fighters aiming for the same goal. Do they have what it takes to be the best?