Yi Ren Zhi Xia (一人之下, Under One Perso) with subtitle The Outcast is a Chinese webcomic by Dong Man Tang (Chinese: 动漫堂), illustrated by Mi Er (Chinese: 米二), and published by Tencent. It was first published under the title 异人 (Yi Ren, literally: "Weirdo") and with subtitle King of the Weirdo in February 2015. A collaboration Chinese/Japanese anime television series adaptation titled Hitori no Shita: The Outcast (一人之下 The Outcast) began airing on July 9, 2016 and is simulcast in Chinese and Japanese.
Chou Soran was a normal college student visiting his grandfather's grave until he gets caught up in a terrible incident in a small village. He is told by officer Song that he met a girl saying that she was the other daughter of his father. While walking through the graveyard, Soran is assaulted by zombies until a mysterious girl wielding a knife and a meat knife suddenly saves him. After encountering again with the girl, Soran's life suddenly change, he was then forced to join Houhou's company and many clans has come after him stating that he is the heir of Ketaigen style a power that was probably use by his late grandfather but Soran has no idea on what is going on with them.