Steel, Guns, and the Industrial Party in Another World - Chapter 348:

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this world there exist huge humanoid weapons known as Silhouette Knight. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter: together they will aim to become a Knight Runner, pilot of Silhoutte Knight.

“While playing a Tsukkur erotic game that I loved, I somehow became possessed. To make things worse, I transformed into a perverted kid—one of the villains from the NTR series.”

Xia Ling wanted to run, but no matter where she went, she could always see the devil king with a gentle and malicious look in his eyes. "Xia Xia, where are you running to? " [1v1, sweeter than ever ] "..." Text: Yan Luo Bai, "fast wear, flirt: Plan to save the fallen boss"

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move: