A Reincarnated Mage's Tower Dungeon Management - Volume 6, Chapter 4 – Double Tit-fuck

In an unexpected accident, Davis Allen had lost his legs, his freedom and his position as the heir of the Allen family. His life became lonely and frozen but a forced union With Jessica Brown became a turning point.... Jessica Brown, an unloved and unwanted daughter is traded to marry a crippled in place of her half sister and the future of the company while the perpetrators' will have to sit back and enjoy the glory....Why should it be so? Why does she have to bear the suffering when she is the elusive Doctor Sica, the famous Lady Bright and the unparalleled stock god ...

Planets died, gods fell.After the Dharma Realm collapsed, humanity lost all its protectors.Now.“Anomaly” and “Catastrophe” began to invade the Human World.As the Dark Age approached, a soul from Blue Star transcended and arrived...

“I can’t accept this! I can’t! Even as a ghost, I’m going to spend eternity cursing that your relationship will shatter like glass! Break apart like a pair of mandarin ducks that fly away from each other!” With such a persisting obsession, it would be difficult for the vengeful departed spirit to move on.

Ji Man had only read a light novel to pass the time, but she was unexpectedly pulled into a very strange dream. She had become the novel’s most vicious villainess.

The novel rewinds to the beginning. The villainess that had been ordered to commit suicide reappears onto the stage and begins to follow the plot as she walks toward the novel’s ending once again, to a courtyard deep inside a marquis’s residence. A female lead that’s like the Holy Mother. Countless cannon fodders. The imperial family’s favor…

- Description from novelupdates

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.