3 Star Twins

The greatest samurai in the Edo period who died in battle and was reincarnated 999 times as a hero and defeated the Demon King. In his 999th Reincarnation he fought the Strongest Demon Lord he had never faced before. He was badly injured fighting the Demon King and would die from his wounds. Just before dying, he found a Crystal Ball which contained 3 Stars. The moment he touched it he transferred dimensions to the same world, but not as a hero. But as a handsome man and has a 'Star System' that guides him to do many things. What is the story like?