MTL - Invincible Divine Dragon’s Cultivation System - v2 Chapter 3129 Arrogant visitor

A side story series featuring the girls of Kyoukai Senjou no Horizon.

Vahn was an atypical youth. Due to a rare mutation, his blood had the potential to target and attack ailments within the human body. Touted as a universal cure, people had elevated his status above the norm and given him the classification "Panacea". In the media, he was hailed as a great hero who would usher in a new era or human wellness. However, behind the scenes things weren't so bright. Being a unique individual, Vahn spent his entire youth locked up in a lab with various scientists and research teams using his body and blood to perform endless amounts of experiments. The only solace in his suffering was the various anime and manga made available to him between experiments. He often imagined himself as the protagonist in a world of his own, finally in control of his own destiny. For years he nurtured this desire, until at the age of 14 he died when an organization had tried to kidnap him from the lab...

I thought I would live a better life in my second lifetime. Unbelievably, I’ve reincarnated into a slime that rolls around on the ground. Anyway, this is my precious new life, so I must work hard.