Monarch of Gluttony: System of Sin - Chapter 15: 15: I'm from Hell

In the end, war couldn’t be extinguished. But, there was a transformation. Even in the heart of a worthless accomplice in murder who was indifferently continuing his task, there was a transformation. The massive weapon “Object”.

This was a weapon that changed the whole definition of war. An exchange student named Quenser, who was dispatched to the battlefield, met at the base a girl with a strange aura. The girl, dubbed “Elite”, is the pilot of “Object”. The near future. This diminutive boy had come to take on the role of standing up against the strongest weapon “Object” for the sake of the girl. This was the motive for their first meeting.

A spin-off of the various works of Kamachi Kazuma. One day, Kamijou Touma (A Certain Magical Index) faced yet another misfortune. His toilet was broken and spraying water everywhere. As he was lamenting his misfortune, suddenly he appeared in a strange place along with Index and Misaka. Soon enough, more strange people begin appearing…

Includes:

A Certain Magical Index

Heavy Object

The Zashiki Warashi of Intellectual Village

The Circumstances Leading to Waltraute’s Marriage

A Simple Survey / A Simple Monitoring

Killer Princess and Deep End

Maria is the only daughter of Jackson, the Alpha of the prestigious Blue Moon Pack in Aberdeen, Scotland. Her mother, the Luna, was revered for her grace and strength. But despite her lineage, Maria's life has been far from perfect.At seventeen, she couldn't shift into her wolf or sense her fated mate, a secret her parents kept hidden out of shame in the pack.By nineteen, still unable to shift, she was forced into an engagement with Bernard, her childhood friend and the future Alpha of their pack, who already had a mate only Maria knows about.Maria and Bernard attended the same college, where their engagement was the talk of the campus, earning Maria both admiration and envy.Yet, behind the smiles, Maria's heart belonged to James Brooklyn, the next Alpha of the Crescent Moon Pack—the sworn rivals of her people.Everything took a darker turn on the night of her engagement to Bernard when her parents were brutally murdered.Will Maria survive the deadly power struggles within her pack, uncover the identity of her true mate, and claim the life she deserves?Or will the curse of the Blue Moon destroy her and everyone she loves after finding out who killed her parents?

This story is about a rookie researcher, who was forcefully dragged away from his restful life, compelled into facing various killers and zombies, always having to risk his life at the brink of death, and finally becoming an advanced researcher that is acclaimed by all. And throughout his adventure, he met an alluring(?) killing machine, who he started to have fantasies on after they had an accidental kiss…

Xiao Yan: Did I fall for him? But he’s a man!

Maya: Who knows…. maybe it’s the other way round?

- Description from Novelupdates