A seinen boxing manga by Hideki Arai.

Honnoji Temple, 10th year of Tensho. A vassal, Mitsuhide Akechi, attacked Nobunaga Oda while he was staying at the temple. This was the so-called "Honnoji Incident". Nobunaga was betrayed by his loyal retainer and died an untimely death with the unification of Japan in sight. However, he finds himself back in time seven years before the Honnoji Incident! And right in front of him is Mitsuhide, the traitor...

In a future where some people have become superhumans, villains appear in hordes. Once detained what better solution than placing them in a life or death reality show: Villain Derby. In this battle royale some of the most fearsome criminals duke it out to remain the last one standing all while the crowds eagerly spectate.

The protagonist, reincarnated into the world of the game, has become Adele, one of the weakest characters in the series! All of his stats are debuffed...he's truly the weakest! On top of that, his death flags are clearly raised! Disaster is imminent! The only way to survive is to rely on his knowledge of the game and persuade the strongest villains to become his allies! That's what he decides, but...!?

Mochida, a junior high boy, had a crush on Aoyama, the most beautiful girl in his class. However, while he was secretly masturbating in the library thinking of her, he was caught by Hira, the library committee member on duty. Caught red-handed, Hira suddenly demanded a kiss from Mochida. Before he could react, Mochida lips were touching hers and it caused him to ejaculate. She invited him to join the secret “Kissing Club.” A story about the debauchery of their youth, as they become obsessed with the forbidden fruit. (Source: Yanmaga, translated)

Awaken the "malice" sleeping inside you. Chinatsu is a middle school girl who's an honor student and highly trusted by her teacher. She gets along with her friends, and she spends her days happily without hating anyone. However, on her period, Chinatsu realized it. That she hated her homeroom advisor, and she's extremely irritated by her surroundings. She had put a lid on her own feelings and pretended not to notice, but when she became aware of it, the "monster" inside of her begins to rampage and reveal her true nature. (Source: Comic-Days, translated)

Aloof from afar, but when you talk about shark movies, Aijima-san gets passionate!

Those in the yakuza who practice the art of alchemy are known as "thug alchemists." Hyozaki is such an alchemist, known as The God of Death. He meets Kurenai, a girl who has lost her memory, and a battle for their future begins. (Source: Yanmaga, translated)

"Gal is playing baseball!?" The "tenacious youth" manga centers on a gal who has a gifted right arm who becomes part of a women's baseball club. (Source: Anime News Network)

Akari Ogiwara was once a promising art prodigy, but now she's barely scraping by as an anonymous art school teacher. One day, she saves a young man from attempting suicide by the sea. She doesn't know his name or even his age, but she can tell he's an extraordinarily talented painter. He asks her, "Do you want to become rich and famous—everything you ever wished for?" Tempted by the chance to finally achieve recognition as an artist, Akari agrees to lend him the name "Akari Ogiwara" and sell his paintings as her own.