Intro. Len is the second child of a conglomerate after his older brother named Ren, the two are 3 years apart, currently Len is 18 years old while Ren is 21 years old, the two of them don't get along, Len hates his older brother Ren who always fights over the inheritance rights of their grandfather who has taken care of them all this time, Len doesn't like it because Ren has signed the inheritance even though his grandfather is still healthy and there is no sign "is approaching death, obviously this makes Len really hate his older brother Ren, because Len really loves his grandfather" who has taken care of him. nya and ren when they were little because both of their parents died in an accident, and they were both raised by their grandfather.