
If you're looking for manga similar to Negative Happy Chainsaw Edge, you might like these titles.
Mamoru, a mediocre college student, discovers an item of darkness while searching for the missing father of his childhood friend, Yuuka. This item is a "human card" which can trap people on a single sheet of paper for buying and selling. The horrific human trading suspense now begins!
Kazuya Shibuya receives an anonymous email message out of the blue one day: "Won't you join the Savanna Game?" The message is an invitation to a state-sanctioned killing game — a deadly role-playing game designed to motivate the inhibited youth of modern Japan. Shibuya and his two friends Kotegawa and Kudou find themselves in bizarre battles that span the space-time continuum, with everything from dragons to the Shinsengumi force of the shogunate era.
A battle takes place during the 25th hour of each day. There are only a chosen few that can fight. Two sides: those that fight to preserve yesterday and those that fight to ensure that tomorrow comes. Which side will win?
Eiji is a teenager who's rough and rude and loves to fight. However Eiji has a strange power; when he comes in contact of certain objects, he can see memories contained within the objects themselves. When he finds himself involved in a dark murder case, he assists a beautiful young profiler to find the murderer. Afterwards, she continues to ask for his assistance in more complex investigations.
The sole survivor and witness to the serial kidnapping case that drew national attention 10 years ago was Oyamada Yusuke. In the end, a total of 108 children vanished into thin air and the case remains unsolved. Since that incident, Yusuke has been able to see evil spirits and has been attempting to seclude himself from society. But one day, he meets Kanon, a member of the anti-doll organization. She explains that the spirits that he has been seeing are called dolls and are the manifestation of people’s incredibly strong emotions. Yusuke accidentally releases a doll named Makina that even the organization had to resort to simply imprisoning instead of destroying. However, Yusuke learns that Makina has a connection to the kidnapping case that he was involved in years ago!
Momo Ayase and Okarun are on opposite sides of the paranormal spectrum regarding what they’ll believe in and what they won’t. Their quest to prove each other wrong leads them down a path of secret crushes and paranormal battles they’ll have to participate in to believe!
Sounji Nagare was in despair at his own incompetence and the contrasting, sheer brilliance of his younger brother. But his destiny takes an unexpected turn when he meets a beautiful young girl who calls herself a "god". Where will his family's secret dark occupation and Nagare's bloody past take him?
Katsuragi lost his parents in an accident and is now all alone. He missed the first months of school and now he arrives to be put through a lot of weird occurences. The school he is attending is said to be the center of the universe and he must fight to become the king. His opponent however was a crybaby he used to protect. Does he have what it takes to fight against his childhood friend, deal with girl problems and prove his nickname, the unsinkable?