Kirin is a hacker who works for his own ends. In the setting, an alien invasion force led by a kuudere general who likes to negotiate has encountered human civilization. He works for the current ruling family, who took power by force. This ruling family deposed Kirin's family and tried to "adopt" him, and love-bombed him into believing he still had a place in their society.

The ruling family's mother knew him before her husband murdered his father, and tried to tell him about all the bad things his birth family did to him (Kirin was physically abused by both parents). On paper, and in Kirin's young mind, this made sense, but as he grew older and saw his siblings by adoption ascend in the order, he became jealous because he still thought he'd get a turn.

When he realized that there was no getting his prospects, he got into a fight with his brother over the throne. He failed in his attempt to kill him and fled into space, disguised himself as a human, and integrated himself into the vast hacking scene. His adopted family has a huge reward for his return, issued by the brother that he tried to kill. They're using gaslighting and lovebombing to try to bring him back, but he's way, way beyond awake to their manipulations now.