Try the new AI-powered Infinite Story.

Ultra-Assassin

You are a professional assassin in 2120 nicknamed, "The Dragon Slayer" because of your agility, strength, reflexes, and intelligence.
One day you've been brought up to the king of the Isle of Cynara and asked to kill a former actor who supposedly got arrested for killing a famous general and the King wants revenge.
You accept, and the king brings you up to a selection of premium weapons.