MTL - How to Feed an Abyss! - Chapter 36 blue butterfly

She was born into a powerful family of the nobility, a blue-blooded aristocrat as capable as any man. He rose from humble origins up the military ranks, an iron-blooded knight with high ambitions. A transaction for power severed her from her childhood sweetheart. A tardy encounter was the beginning of his and her vow to meet life and death under heaven, standing shoulder to shoulder.

Political intrigue, dynastic succession struggles. He trampled through it all in the toil of becoming emperor.

Old enmities became new disputes, concerning life and death of entire families. She entered once more into the palace, changing the entire political climate of their world.

Meeting once again, they had become strangers. The peach blossom were all fallen, no more than a golden age grown cold.

- Description from Novelupdates

On one dark night in Tokyo, japanInside an abandoned factory…Shizuka Marikawa, a working woman was returning from her work but ran into an unfortunate situation where she almost lost something more precious than her own life but got saved at the last second by someoneShe couldn't help but look at the boy in front of her with wide-opened eyes as she was too stunned to speakAll she could do was stare at a boy with white hair soaked in blood as Around him was nothing but corpses of humans he just killedAnd From this instant, she instantly knew the boy was not human at all because, unlike humans, he had one red eye as he had some weird things coming from his back which he used to pierce through human chests with ease‘monster’ Shizuka Inwardly said this as this was the only answer to her questions even though she said this but she somehow also knew he wouldn't harmShizuka is someone who has always been able to read the intentions of other people from their faces due to events that keep happening in her life which is the reason can tell this boy or a monster moreover she found nothing in his eyes but sadness and painMaking him very pitiful in her eyes, since even though he himself is in so much pain and sadness and even then he is saving herIn her eyes, He is not only Pitiful but also very kind“Please come with me!” Shizuka blurted it out unconsciously even though she had no idea what she was saying because she said it instinctivelyOr maybe she knew? She just knows she can't leave him alone otherwise this boy will be all alone as she decided to take him with HerThe boy couldn't help but look at the woman with a cold graze even though it seemed cold but inside he was very confused as he was even considering a woman's mental healthUnknowingly at this moment, the boy made a bond that he never imagined in his entire lifeUnfortunately for them, his and Shizuka's lives will be totally flipped upside down soon due to unseen events..…

Chang An is a sub-beast who, despite having the talent for the sword, did not have the constitution to support it. And his savior, Hua Yi, is a beastman on the run for his life.

This is a story about how two once innocent children had to grow up in such a cruel beastman world.

- Description from Novelupdates

Set on a giant, almost finished bridge between Sadogashima and Niigata. Abandoned by the government, the bridge, and the giant man-made floating island at the center, has become a city of criminals and societal drop-outs.

Set in the same world as Durarara, but 15-20 years later. There is almost no overlap between Etsusa Bridge and the other novels.