《血界战线 & BEYOND》是一部日本动漫，由小山力也、阪口大助、中井和哉、宫本充等声优出演，由高柳滋仁、佐藤育郎导演。故事发生在曾经被称为纽约的城市，突然在一夜之间消失无踪，取而代之的是充满神秘与危险的城市“赫尔沙雷姆兹·罗特”。

赫尔沙雷姆兹·罗特是一个连结“异世界”与现世的地区，成为了各怀心思的人们所跋扈的“地球上最危险的城市”。为了保护这座混沌之城的均衡，一群持续着不为人知活动的秘密守护者们在幕后默默地奋斗着。

这个秘密守护团队的首领是克劳斯·V·莱因赫兹，他是一位使用布雷格利德流血斗术的强硬绅士。他的左膀右臂是面带伤疤的史蒂芬、银发不良扎普·伦弗洛与半人半鱼的齐德，还有不可视的人狼钱·皇与独眼的淑女K·K，以及拥有“诸神之眼”的青年雷欧。每个成员都有着独特的技能与身份，共同组成了这个神秘而强大的守护团队。

当城市陷入骚动与危机之时，他们的组织秘密结社·莱布拉必定会出现，响彻小巷子里的狂乱与邪恶的怪物们。在这个充满深爱的深渊与不断重复的灾变之地，他们的工作从不会结束，就像家常便饭一样再次开幕。

然而，故事并未止步于此。随着情节的发展，秘密守护者们将踏上更加遥远的Beyond之旅。他们将面对更多的挑战与谜团，同时也将揭开更多神秘的面纱。

"Blood World Front & BEYOND" is a Japanese animation composed of Koyama Riki, Sakaguchi Daisuke, Nakai Kazuya, Miya Motoshiro and other voice actors starred, directed by Takayanagi Shiren and Sato Ikuro. The story takes place in a city that was once called New York, which suddenly disappeared overnight and was replaced by a city full of mystery and danger called "Hersharemz Rot".

Hersharemz Rot is a link "different world" The area with the present world has become "the most dangerous city on earth" where people with different ideas run rampant. In order to protect the balance of this chaotic city, a group of secret guardians who continue to carry out unknown activities are working silently behind the scenes.

The leader of this secret guardian team is Klaus V. Reinhertz , he is a tough gentleman who uses the Braigled bloodbattle technique. His left and right arms are Stephen with scars, silver-haired bad Zap Renfro and half-man half-fish Zid, as well as the invisible wolf Qian Huang and the one-eyed lady K·K, and the "gods" "Eye" young Leo. Each member has unique skills and identities, and together they form this mysterious and powerful guardian team.

When the city fell into turmoil and crisis, their organization secretly formed Bra is bound to appear, resounding with frantic and vile monsters in the alleys. In this land of deeply loved abysses and recurring catastrophes, their work never ends and begins again like a regular occurrence.

However, the story does not stop there. With the development of the plot, the secret guardians will embark on a more distant Beyond journey. They will face more challenges and mysteries, and at the same time uncover more mysteries.