Level Eater - Chapter 9: Manaless

A master assassin transmigrates into an interstellar era.

When I cleared the final chapter of a game that was a national failure, I became an unnamed side character in it.

A non-standard, unmeasurable, EX rank supporting character.

A river song, triggered a legend of the rivers and lakes.
Tian Zun’s life motto: “My sword is the truth.”
Shen Lang’s life motto: “To serve people with morality, those who are dissatisfied are dead.”

- Description from uukanshu (translated)

The handsome, noble, cold, and ruthless family heir Ignatius Leclair took a liking to the fostered girl Delphine Carter in his home.From then on, the aloof man transformed into a loyal companion, taking care of children, cooking... The entire aristocratic circle was utterly shocked, with everyone envying.Delphine Carter smiled serenely: cunning, energetic, vengeful, a different persona by day and night.[Reading Tips: 1V1, both protagonists are pure, sweet story, the heroine is beautiful.]