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From MangaBox:

Mai Yashiro (22) was an average office worker until the day a video game console arrived in her mailbox.

The game she is forced to play, “Nightmare,” is a dangerous game in which one risks both the lives of the ones they love and their own body!! If you refuse to play, those dear to you die. If you lose battles in the game, parts of your body (your arms or legs, your voice, etc.) cease functioning.

The horror of this game spreads throughout society in a flash, and, to fight it, Mai’s company creates a “Nightmare” Strategy Team. After being assigned to this team, Mai and her dependable comrades boldly rise up against this hellish game.

Adapted from the super-popular novel which has received over 40,000,000 hits online!!


Related Series

Associated Names
オンライン The Comic

Groups Scanlating

Latest Release(s)
c.47 by Manga Box (0d ago)
c.46 by Manga Box (21d ago)
c.45 by Manga Box (35d ago)
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Status in Country of Origin
3 Volumes (Ongoing)

Completely Scanlated?

Anime Start/End Chapter

User Reviews


User Rating
Average: 8.8 / 10.0 (49 votes)
Bayesian Average: 7.96 / 10.0
 43% (21 votes)
 22% (11 votes)
 12% (6 votes)
 14% (7 votes)
 6% (3 votes)
 0% (0 votes)
 0% (0 votes)
 0% (0 votes)
 2% (1 votes)
 0% (0 votes)

Last Updated
August 26th 2015, 8:00pm PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Manga Box (DeNA)
Shounen Edgestar (Everystar)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #959 decreased(-11)
Monthly Pos #1104 decreased(-240)
3 Month Pos #869 decreased(-85)
6 Month Pos #863 decreased(-236)

List Stats
On 421 reading lists
On 184 wish lists
On 9 unfinished lists
On 79 custom lists

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User Comments [ Order by usefulness ]

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Plot is great. Characters are ANNOYING.   
Rating: 7.5 / 10.0
by sakirol
July 4th, 2015, 8:23pm
The plot and setting is awesome. If you enjoy other "RPG death games", you will likely enjoy this one as well. The unique game system really shines in this manga. It's well thought out with mechanics and features not found in any other manga I've read so far. Losing and regaining body part functions? "Neopets"? Mind games? Physical Combat? It has it all.

The downside is that the mangaka spends a lot of time sidestepping the game and focusing on characters / relationships. The characters are one-dimensional and end up demonstrating one single personality trait (arrogance, humble, etc.) so much that it ends up getting on your nerves.
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Amazing, but...   
Rating: 9.0 / 10.0
by YukiSaito
April 18th, 2015, 7:17am
I love this manga! The plot is amazing; just enough tension and puzzles to keep me hooked. But the characters really get to me = = Shy boy in love with the main, 'mean' boss, always sleeping co-worker and super (un)lucky who somehow gets all the rare things (and all the weird stuff, so not complaining). The characters are really a turn-off (especially the one in love with Mia) but the plot's amazing~

Spoiler (mouse over to view)
Anyone thinks that the split-mouth woman was actually a player of the game, but her heart was taken away from her? Or she's the daughter of the creator. Either way, she was somehow pulled (or made?) into the split-mouthed woman...and that the guy who first helped Mia in the brain game wasn't the shy co-worker (probably is, but I don't like it) but the boss? And why is the boss and the co-worker suddenly on such good terms when Mia appears? Questions, questions~

Still waiting eagerly for the next chapter, though~!
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This is weird   
Rating: 6.0 / 10.0
by guentobu
March 6th, 2015, 7:39am
I've read the novel, so I don't know it good or not. But in this manga I feel strange. Chapter 1 to 3 are really good. But it become annoying in next chapter: Organize, tsundere boy, shy boy, feed pet, the way play game changed,... This is totally like a shoujo manga and some drama, horror, psychological
This should be shoujo tag instead of shounen.

Sorry for everyone who loves this manga, but this is my feeling.
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About the novel this comic is based on   
Rating: 10.0 / 10.0
by angelhalo224
November 28th, 2014, 7:43pm
Really enjoy this series so far and highly recommend it to others who enjoy series like The Gamer, Sword Art Online, and such. Unlike other series similar to this one with the same "play or die" theme, it does not go deep into the gore aspect that is seen in other manga series. This is a nice change and allows for focus on the plot

Since I have enjoyed the series so much, I was hoping if anyone knew where I can find an english translation of the novel. If you could post a link that would be amazing or just supply author's name.
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