The Black Beast’s Useless Concubine - Chapter 2523

Side story of Kyoukai Senjou no Horizon bundled with the first press release of the 1st, 3rd, 5th and 7th Blu-ray volumes of both seasons of anime.

This side story follows Asama, Kimi and Mitotsudaira aboard Musashi one year before the beginning of the main story, as Asama is considering to create a music band together with her two friends for the next festival in Aki, a territory under the governance of K.P.A. Italia.

[If you enter the deep forest, you will be eaten by the shadows.

The shadows of the forest move when a person is not looking.

There is a shadow that mimics people in the deep forest.

The shadow of the forest speaks.]

Rosaline, of the Knights of the White Night, had gone missing after being attacked by enemy forces during a hunting contest.

However, she was found unconscious, badly injured, and lying beneath the cliff.

Rosaline, who woke up a few days later, seemed to have severe memory loss. It was difficult for her to speak even simple words.

She was found walking barefoot, in her pajamas, talking informally here and there. She would even pick up food off the floor!

She’s a strange girl no matter how you look at her. Is that really Rosaline?

Elric lived a traumatic life since childhood. Being bullied, detested by his family & having no one who cared whether he lived or died. The accumulated loneliness & suffering puts him through severe depression & he decides to take his life’s final decision… SUICIDE.

One day, his soul hears a voice calling out to him.

«Wake up, Elric. I am the God of Darkness. And I’m here to give you another chance at life.»

To God of Darkness, Elric replied with only two words.

«Fuck off!»

Accompany the Protagonist in a journey to achieve an Impossible task he’s given as he aims to become one of the strongest beings in the world full of Magic, Mythical creatures, Dragons and Gods.

…

Author: Antihero protagonist who’s a scheming mastermind & doesn’t trust anyone. No Harem, Romance or Fan-service here. MC is an extremely smart & quick witted person who knows how to adapt to situations quickly. But he isn’t an Edgelord or a Psychopath who kills people for no reasons.

“monarch of entropy” introduces a cosmic entity of immense power, whose eternal existence was once defined by passive observation. Everything changes when a surprising connection ignites a spark of curiosity and a yearning for interaction. As this King explores his evolving desires, his colossal abilities begin to influence realities on an unimaginable scale. This is the story of a powerful ruler's journey from detached observer to active participant, where every decision, no matter how small or whimsical, creates ripple effects across the multiverse, leading to a series of grand, and sometimes inconvenient, adventures.