Abnormality Containment Library, Seven Sins Is My Administrator

In the distant future, the stars will destroy civilization, the order of the old era will collapse, and eighteen barriers will rise. They have created almost magical technology, awakening tattoos, prosthetic mechas, biological transformation... Humanity's past fantasies have come into reality one by one... But... This road paved with blood and bones still cannot stop mankind from heading towards... Annihilation! On the surface, he runs a small office that is unknown to everyone, but in fact, he is the director of a library that makes countless people flock to the library - a disqualification. "What about humans? Do you mind my business?" "But aren't you human too?" "Oh... Who told you I was human?" "Could it be that... You are..." (Flesh and blood breaks apart like a waterfall) "Although... But... I am indeed human." Shiqi picked up the extra book on the ground and inserted it into the many books on the bookshelf. "I have everything you want here. Are you ready for your chips..." When you raise your hand, the stars twinkle! [Half behind the scenes + group portrait + partial genre + supernatural + not the Virgin + not brainless + happy imagination + no harem + no system + black technology]