Huh? Isn't This A Galgame? - Chapter 58 - 57 Ten Li Slope Sword God

Haruma Kazuki is a cursed (or maybe just deeply unfortunate) high school student whose lewd, panicked, or absurd thoughts literally manifest in reality — especially when he tries not to think about them. The more he denies or avoids feelings, the more chaotic and trope-heavy the consequences.

—She is a girl with a bright smile on the battlefield.

With her silver hair fluttering in the air and dark eyes, the girl sprinted on the battlefield. Her name is Olivia, whose hands is stained with the blood of her enemies as she shows an innocent smile.

The deep knowledge and combat techniques of the entity who called itself a Death God has been branded onto her body. On Olivia’s 15th birthday, the Death God suddenly disappeared. Olivia enlisted with the Royal Army and started fighting in the war as she searched for clues.

Lunar Calendar Year 998. The Kingdom has suffered consecutive losses to the Empire aiming to conquer the entire continent. The innocent girl who lacked common sense will step into the battlefield as the “Strongest Chess Piece” of the Kingdom, and go down the path of a hero—!

“CRASH!” the last sound he heard; the last image being the smile of his friends.Jotou Howllett, a twenty-one year old nobody who finds little to no purpose in his life, wants to be a freelancer to make it big whilst trying to avoid education. He spends his last day of freedom with his friends before he's forced by his parents to attend college. That last day became his true last day as a white light flashed and he opened his eyes in a coffin, suffocating. He, now she, found herself to be in the body of a woman who had recently passed away. Jotou comes to realize that she's no longer in her world and now is in some sort of fantasy world. The rampant problems in this world soon find themselves surrounding Jotou, from the magics to the monsters to the wars between kingdoms and cities. Jotou sets out to uncover how she got here, why is she here, is she stuck here? Alongside the companions she finds in her way.

A Federation Colonel with abnormal thoughts was locked in a dark room and met a little looney.

“Your whole body emits a scent that I dread (covet) and fear (desire).”

A frigid Colonel X little looney roommate: A sweet story of interstellar travel

- Description from Novelupdates