Whew, been reading a lot of great and interesting manga.
Juujika no Rokunin
A brief summary:
(from Manga TX) Labeled “Experiment A” by five of his classmates and tortured throughout sixth grade, Shun Uruma hung on by a thread. When his bullies targeted his family, leaving him with nobody but his grandfather, it was the final straw—Uruma had suffered enough. Determined to get back at his enemies, Uruma begged his grandfather, a WWII veteran, to guide him through the path of vengeance.
It's basically a revenge manga. It's decent for it is and has some twists that interesting. The MC reminds me of Sasuke from Naruto. The art isn't the best and is rough in spots but the revenge plot is what really holds the manga together. Currently still in the process by translated.
Rikudou
Brief summary:
(its wiki) Riku experienced a lot of pain and tragedy in his early life. After his father's death, a former-boxer Yakuza man taught him how to do a basic punch, and that punch saved his life when he had to defend himself from his mom's drug dealer. He ended up taking the drug dealer's life, marking him as a killer. Criminals continued to come after him, leading to more tragedy for the people who attempted to care for him. All of this drove him to ask that same former boxer to teach him to become stronger, which led him to a rundown gym, his door to the world of pro boxing!
Probably has a 1 to 100 start of well that escalated quickly for boxing manga from chapter 1. Don't know if I keep reading this but man, the start is what really sold me. Has good art and pretty good storytelling. Currently has over 200 chapters.
Bestiarius
Brief summary:
(from Manga Pill) Set in fictional Rome, slaves, criminals, orphans, and monsters fight in the Colosseum. Losing means death. Winning means you live for another day. Fin, a talented gladiator, was raised and trained by the last living wyvern. Yet fate and the emperor are cruel to the two.
What if Berserk and Record of Lodoss War had a baby? It'd be Bestiarius. This has probably the best art of the bunch I've read so far. Pretty fluid and smooth looking. Only read a handful of chapters, but will definitely come back to reading this.
And finally,
Hakaijuu/Monster!
Brief summary:
(from Animanga wiki)
You lead quite a nice life... Competing with your friends... Having a childhood-almost-girlfriend, who is coming back to town... All dreams starting to come true... when the ground suddenly shakes and a shelf drops on your head.... Well... You hit your head just now, so it'd be quite... reasonable that everything went nuts and people get eaten before your eyes, wouldn't it?
Man, I was so hooked to this fucking manga. It's about monsters attacking Japan but it's the kaiju that you really have to worry about. And kaijus are otherworldly, to say the least. The designs of these monsters are fantastic and are easily the highlight of the manga. I really dug this so much. The escalation is really good as well. Probably the most fun I had reading a manga since Gantz. I could not stop reading it. A really good horror manga. The only thing that sucks is that there is no way to get this in physical form in English, only digital. Which sucks for me because I was planning buying this just based on the first volume cover. The only way currently to read the full series is thru Amazon. If you're a fan of kaiju movies, READ THIS!!! 9/10 (finished)