Manga In which the main character is a battle maniac.

This is a list of 8 manga in which the main character is obsessed with fighting. He is a battle maniac, a battle junkie, a fighting maniac. If you are looking for such manga then here are some recommendations.

1. Kuro No Shoukanshi.

Losing his memories, the curtains of the story of alternate world transfer of the MC rises. After the transfer his name changes to Kelvin. While steadily levelling, he adds new subordinates by mastering his skill. And by the time he noticed it, he had obtained overwhelming power. Where will our MC be heading off to?

Here is a link to the light novel of Kuro No Shoukanshi.

SENTOUKYOU NO NARIAGARI: BLACK SUMMONER(LIGHT NOVEL)

2. The Wrong Way To Use Healing Magic.

On a harsh rainy day, a high school student without any particular special skills, Usato Ken got dragged into another world summoning with two others; a good-looking guy and a beautiful girl, both of whom he strangely started getting along with just today. As an especially talent-less individual that doesn’t stand out he internally thought that he would be treated as useless. However, the others were unexpectedly kind. Usato who found hope in another world thought that, but the reality was different. He had a certain magical talent hidden in him and he was forced to fall into hell in the name of “training.”

Here is a link to the light novel of The Wrong Way To Use Healing Magic:

The Wrong Way To Use Healing Magic

3. Samurai Champloo.

Mugen is a rough-around-the-edges mercenary with a killer technique and nothing left to lose. Jin is a disciplined samurai who's as deadly as he is reserved. Fuu is a young waitress with a good heart and a resourcefulness that emerges when you least expect it. These three unlikely companions are about to begin a journey that will change all of their lives. It's a dangerous quest for a mysterious samurai that will see our squabbling group of heroes get into and out of trouble more times than they can count (which admittedly, isn't very high). From the cynical gentility of the nobles to the backstabbing of the Japanese underworld, Mugen, Jin and Fuu will face threats from without and within as they hurl insults and throwing stars alike. Ancient Japan is about to get a lethal dose of street justice -- Champloo style. And it will never be the same.

4. Crows.

Bouya Harumichi is a new transfer student to Suzuran all-boys high school, a place where only the worst delinquents assemble. Due to its large amount of delinquents who are hated by the general people for their inauspiciousness, similarly to crows, it is also known as "Crows High School". Harumichi is an insanely strong fighter but has an irresponsible personality. How will he act in this new environment where everyone is a delinquent? Due to its high popularity in Japan there are four extra manga stories related to this series and 2 live action movies.

5. Baki.

There are three series of Baki, this one is Baki, the 2nd one. 1-Baki the Grappler(1991-1999) 42 volumes 2-New Grappler Baki(1999-2005) 31 volumes 3-Hanma Baki: Son of Ogre (2005-12-05) ? volumes Baki Hanma is a generally happy student with a rather odd hobby; he likes fighting. Specifically, he likes fighting in a secret martial arts tournament that gathers the greatest fighters of the world and pits them against each other in really nasty combat. New Grappler Baki takes off where the original series leaves off. As the new Tournament champion, he's generally taken it easy until he recieves the news of five deadly, murderous, martial artist who have escaped their prisons and are now headed to Japan. Baki and his friends must deal with them before they are killed themselves. New Grappler Baki introduces new characters, new techniques, and begins to resolve the conflict between Baki and his father.

6. Yaiba.

Yaiba Kurogane is an adventuring boy who knows how to be a samurai and little else. Yaiba lives with his father, Kenjurou, in the forest. One day, while Yaiba was eating, a troop of gorillas came to attack. Yaiba and his father escaped and hid inside a box, but they did not know that the box was full of pineapples and was going to be transported into the city. In the city, Yaiba finds out that he is a legendary warrior and has to fight the evil of a demonic looking high-school student named Takeshi Onimaru.

The people that Yaiba meets along his journey to become a true samurai encourage him, train him, or inspire him to greatness, though at heart he is still a child, and his incredible skill with a sword is matched only by his kindness towards his friends. Though he tends to leap before he looks, and his thick-headedness tends to turn potential allies into enemies, his friends soon clobber him, and salvage the situation. This unlikely group embarks on a host of incredible adventures where they meet legendary figures from Japanese history, and finally overcome impossible odds, and put everything on the line, to save the entire planet from a threat not of this world.

7. Karate Baka In Different World.

A karate practitioner who has been transferred to another world refuses the cheat skills given by the goddess, and he pursues his own karate in another world.

8. The World's Strongest Fighter Who Tried Too Hard Living A Leisure Life In A World Of Magic.

One day, a martial artist named Ash was suddenly reborn into another world. He decided that he will become a sorcerer in his second life.He went through harsh training after becoming the apprentice of the former hero, Morris. Then, the "Emperor of darkness" suddenly appeared! Right when the end of the world was approaching, he one-shotted the demon lord?!