The Alien Prince

there's a race of extremely powerful aliens known as the otsutsuki. they invade planets and plant a seed that sucks out all the life on the planet and forms a tree. eventually producing a single fruit. said fruit grants longevity and power. however the God of otsutsuki found a planet brimming with life. he planted a seed. he found a woman he ended up falling in love with. eventually marrying and having a child together. the child became prince of the otsutsuki and was married to another otsutsuki. on his 18th birthday the God of otsutsuki gave his sin the fruit of the tree that had been growing. gaining unrivaled power. eventually defeating his father in battle he then set out to sea to become the pirate King.