In a world where humans have various abilities and coexist with various races, Kale is a boy who has been treated as incompetent due to a lack of an ability. After helping a vampire princess, Kale discovers that his ability allows him to become the strongest of any genus once blood is shared. This power allows him to adapt to the characteristics of any of the races. With this power he has the potential to become the king of all races, which draws the attention of all the races whether their intentions are good or malicious. Thus, the one once called the weakest incompetent will become the world's strongest!!

This is the fifth iteration of the Mugen Shinshi franchise. A guardian angel in black saves "me," who has inherited a huge inheritance, from a crisis. This collection contains a total of 12 stories serialized in Mystery Magazine. (Source: Hayakawa Publishing, translated) Included Stories: \- 電波塔 \- 女か虎か \- 木乃伊の恋 \- 瞬きよりも速く \- Shall We Dance? \- 暗くなるまで待って \- 渚にて \- 眠れる森の美女 \- 父、帰る \- 影が行く \- 長いお別れ \- 君の名は *Note: In 2007, volume 1 of Shinsouban Mugen Gaiden clarified the different versions of the story and iterations of the protagonist, Mamiya Mugen. This series was designated "Seinen tantei C version."*

Exhausted after being swayed by the selfishness of her mother and being used as an accessory, a teenage girl stumbles across a service called "Rental Mother". She hires "Aida" - a beautiful, gentle and capable mother. However... this woman hides a dark intention.

The charismatic high school girl Nagi Tanaka, who is popular with both boys and girls, has an unexpected side to her? (Source: Tonari no Young Jump)

You can't leave this island until you've killed 100 people. The most deadly survival game begins on a solitary island where desires swirl and only the strongest survive! (Source: GANMA!, translated)

Misaki, a former delinquent transfers schools in hope of changing her life. But everyone is afraid of her until she meets Akira, the club chief of the idol club.

Washizuka Shinichiro has just woken up after returning to Japan with his father the hard way, with a collar on his neck and his father gone, leaving a note that he’ll be back in 2-3 years and saying that he’s been left on the grounds of a prestigious school and he’s been enrolled. But before he can get there he has to find the school and use all of his survival skills to get through a high-tech environment gone awry, along with a female student he found sunbathing… (Source: Niveus Noctis Translations)

Baby Will was abandoned drifting through a river in a small boat, when Reus, the God of omnipotence, picked him up and was taken to a mountain where the gods lived. After displaying potential to the three gods: The God of swords 'Ronin', The Goddess of Health 'Miria', and The God of Magic 'Vandal'; they all three decided on what he should become, having their own vision in mind: "This child has sword talent, once he grows up I'll have him be a warrior swordsman." "No, this is the world's kindest child, and he'll be the world's greatest healer." "No, this child is a rather intelligent, I shall teach him my magic and make him the ultimate magician." While all three gods are divided and fighting, Reus tells them to cut it out and settle the argument by having each God take turns in teaching him. Through the curriculum given to him by the God of the Sword, Goddess of Healing, and the God of Sorcery, Will becomes the strongest and sets out on his journey at 14.

Kippei Yuuki is the #1 ranked player in the MMORPG "The Room", and he has the ego to prove it. Real life is boring, and he'd rather be the protagonist of a video game. But soon, Kippei's skills are put on the line when he, and a group of others, awaken in a prison cell. There are monsters nearby, and the environment seems eerily similar to The Room. How did they get here, and who will survive?

People with crazy worries visit the basement. A masked "guide" awaits such lost visitors. The "guide" says, "Never tell anyone what you see or hear here." At a facility in the basement of a hospital, human clones were secretly made at the request of customers. Anyone who breaks the secrets of the clone or breaks the rules will be dealt with promptly by the execution team.

After having several setbacks in real life because of his loner nature and holing up in his house, Toudesuke Saionji, a middle-aged man, throws himself into his inventions. Until, one day, he causes an explosion during one of his experiments and ends up reincarnating into another world. Now that Toudesuke has yet to find some way to go back to his old world, will he keep to himself along with Satalia, a vampire girl who adores him, and lead a quiet life where he dedicates his time to his inventions...?!