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."*

After being abandoned in the mountains, I started enjoying a carefree camping life—only to end up accidentally racking up some unbelievable achievements! As I tamed holy beasts and dominated every challenge, the ones who cast me out began to fall apart on their own... And for some reason, now I'm suddenly super popular!? A thrilling comeuppance fantasy packed with harem antics and gourmet adventures!

Captured, the only "black-haired" boy in the blue universe. A foreigner born from a woman other than the Holy Mother, the boy is rejected by the whole world, but he fights to stand up for himself with the power to summon a knight! (Source: Kadokawa, translated)

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)

Haru-chan drifted into Katayamazu in Ishikawa Prefecture a year ago, and became a waitress at Yoshiya, a hot spring inn in town. Set in a hot spring town, this bittersweet drama between a man and a woman and their pasts is Yusuke Aoyagi's best-known work! (Source: Shogakukan, 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.

Odaka Youichirou is a number one problem child, and a violent delinquent. However, he also uses his skill with violence to solve problems at school, such as a girl's problem with a stalker or an issue with peeping tom pictures. However, he has now involved a new teacher, Tsukimoto-sensei, in his activities. (Source: MangaHelpers)

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)