Dramatical Murder
Overview:
Aoba lives on Midorijima, a small island to the southwest of the main islands of Japan. He lives with his grandmother Tae while working part time at a junk shop. The popular pastimes on the island are the ongoing turf war called "Libstease" and an online game set in the virtual world of "Rhyme." Aoba isn't involved in either, preferring to live peacefully, until one day he is forced into a Rhyme battle.
Recommendations for you

痛いのは嫌なので防御力に極振りしたいと思います。
Kaede Honjou is invited by her friend Risa Shiramine to play a virtual reality MMO game with her. While Kaede doesn't dislike games, what she really, truly dislikes is being in pain. She creates a character named Maple, and decides to put all her points in VIT to minimize pain. As a result, she moves slowly, can't use magic, and even a rabbit can get the best of her. But as it turns out, she acquires a skill known as "Absolute Defense" as a result of her pumping points into VIT, as well as a "Counter Skill" that works against special moves. Now, with her ability to nullify all damage, she goes on adventures.

アクセル・ワールド
A short, overweight student uses the Neuro Link, an evolution of the Nerve Gear, to escape himself from the reality. But his skills in the virtual world brings him to the attention of Kuroyukihime, a popular student who introduces him to the Brain Burst.

オーバーロード
In the year 2138, virtual reality gaming is booming. Yggdrasil, a popular online game is quietly shut down one day. However, one player named Momonga decides to not log out. Momonga is then transformed into the image of a skeleton as "the most powerful wizard." The world continues to change, with non-player characters (NPCs) beginning to feel emotion. Having no parents, friends, or place in society, this ordinary young man Momonga then strives to take over the new world the game has become.

HUNTER×HUNTER
Gon, a young boy who lives on Whale Island, dreams of becoming a Hunter like his father, who left when Gon was still young.

賢者の弟子を名乗る賢者
Kagami Sakamori was one of the top players in the VRMMO Ark Earth Online as Danblf, a veteran summoner with the gravitas to match his elite status. When he falls asleep playing one day, he's transported to a world where the game is reality—but instead of his all-powerful avatar, he's stuck in the body of a cute young girl! He can't let anyone know that this little cutie is really Danblf, so he takes the name “Mira” and claims to be Danblf's disciple. If this gets out, he'll never live it down!

ログ・ホライズン
One day, while playing the online game Elder Tales, 30,000 players suddenly find themselves trapped in another world. There, eight-year veteran gamer Shiroe also gets left behind. The trapped players are still alive, but they remain in combat with the monsters. The players don't understand what has happened to them, and they flee to Akiba, the largest city in Tokyo, where they are thrown into chaos. Once proud of his loner lifestyle, Shiroe forms a guild called Log Horizon with his old friend Naotsugu, female assassin Akatsuki and others.

とあるおっさんのVRMMO活動記
Taichi Tanaka is just an ordinary 38-year-old who enjoys video games. He starts a new virtual reality multiplayer game called One More Free Life Online, naming his character Earth. Unlike his fellow players, he decides to master the most menial of skills in the game. He cooks the finest meals, overbrews complicated potions, and hunts monsters with handmade weapons. His fantasy life begins!

デスマーチからはじまる異世界狂想曲
29-year-old programmer Suzuki Ichirou finds himself transported into a fantasy RPG. Within the game, he's a 15-year-old named Satou. At first he thinks he's dreaming, but his experiences seem very real. Due to a powerful ability he possesses with limited use, he ends up wiping out an army of lizard men and becomes a high leveled adventurer. Satou decides to hide his level, and plans to live peacefully and meet new people. However, developments in the game's story, such as the return of a demon king, may cause a nuisance to Satou's plans.

究極進化したフルダイブRPGが現実よりもクソゲーだったら
In an unexpected turn of events, dull high school student Hiro Yuuki obtains the full dive role-playing game Kiwame Quest. Created by the best of technology, the game claims to take "reality to its extremes," from stunning graphics, NPCs' behavior, to the scent of vegetation, and even the sensation of wind brushing against the skin—everything was the result of an ultimate workmanship. Except, the game is a little too realistic and messy to clear. Kiwame Quest features over ten quadrillion flags and reflects the players' real-life physical abilities in the game. Being hit in the game also hurts in real life and slash wounds take days to heal. The only reward here is the sense of accomplishment. Conquer the most stressful game in history that can't be played casually!

シャングリラ・フロンティア
Rakuro Hizutome only cares about one thing: beating crappy VR games. He devotes his entire life to these buggy games and could clear them all in his sleep. One day, he decides to challenge himself and play a popular god-tier game called Shangri-La Frontier. But he quickly learns just how difficult it is. Will his expert skills be enough to uncover its hidden secrets?

リアデイルの大地にて
Due to a terrible accident, Keina Kagami is forced to live on life support in order to survive. The only way for her to be free is within the VRMMORPG "Leadale." One day, her life support stops functioning, and Keina loses her life. But when she wakes up, she finds herself in the world of Leadale 200 years in the future. She is now the half-elf Cayna, who possesses lost skills and OP statuses and becomes closer to the other inhabitants of this world. But among those inhabitants happen to be the "children" she made in character creation?!

ようこそ実力至上主義の教室へ
Kiyotaka Ayanokouji enrolls at the prestigious Tokyo Koudo Ikusei Academy, but is assigned to Class 1-D, where students with behavioral problems are housed. The school awards points equivalent to 100,000 yen per month and allows unusual freedom in classes, masking a more complex system.

犬夜叉
Kagome Higurashi is a modern day young girl who lives with her family by the old Higure shrine. Unbeknownst to Kagome, she is the reincarnation of priestess Kikyo and posseses the "Jewel of Four Souls" (the Shikon jewel). One ill-fated day, Kagome locates an ancient well near her home and is abruptly transported through the well and into a feudal Japan, inhabited by demons. There, she encounters Inuyasha, son of a powerful demon father and a human mother, who is pinned to a tree by an enchanted arrow.

.hack
.hack follows several young players as they navigate the vast, mysterious MMORPG known as “The World” – a place, it turns out, that is sometimes impossible to leave.

SHAMAN KING
Medium Yoh Asakura enters a battle tournament held every 500 years, competing with other shamans in a bid to become the all-powerful Shaman King.

SCARLET NEXUS
Saved by the Other Suppression Force as a child, psychokinetic Yuito enlists in this elite team formed to fight Earth’s enemy. Meanwhile, prodigy Kasane was scouted for her abilities. Kasane’s dreams tell her strange things, dragging the two into an unavoidable fate.

異世界はスマートフォンとともに。
Touya Mochizuki was accidentally killed, and as an apology, God allows him to be reborn in a fantasy world and will grant him any one wish he desires. And so, Touya chooses to keep his smartphone in the next world. In his second chance at life, he befriends many important figures and comes across the world's secret. He inherits the legacy of an ancient civilization and travels around nonchalantly while possessing powers that rival this world's kings.

七星のスバル
In the popular MMORPG world 'Union' there existed a legendary party named Subaru. This party, made up of a group of childhood friends and elementary schoolers, exceeded the limits of the game with their various senses. However, due to an incident which resulted in a death, 'Union' ended its service and the group of childhood friends went separate ways. Six years later, highschooler Haruto logged into the new 'Reunion' and reunited with a single girl. Asahi—one of old 'Subaru' party members, and his childhood friend who should have died six years ago. Is she a digital ghost, or...?

異世界迷宮でハーレムを
High school student Michio Kaga was wandering aimlessly through life and the Internet, when he finds himself transported from a shady website to a fantasy world — reborn as a strong man who can use "cheat" powers. He uses his powers to become an adventurer, earn money, and get the right to claim girls that have idol-level beauty to form his very own harem.

ソードアート・オンライン
In the near future, a Virtual Reality Massive Multiplayer Online Role-Playing Game (VRMMORPG) called Sword Art Online has been released where players control their avatars with their bodies using a piece of technology called Nerve Gear. One day, players discover they cannot log out, as the game creator is holding them captive unless they reach the 100th floor of the game's tower and defeat the final boss. However, if they die in the game, they die in real life. Their struggle for survival starts now...
