The Young Tyrant's Care Manual

An idea: A tyrant who rules the entire interstellar world is assassinated and returns to thirty years earlier, becoming a baby. Just like in his previous life, he's adopted by a mercenary.

An old-human mercenary and useless dad who knows nothing but fighting and taking jobs, lives off others, and is a chatterbox who loves to complain, alongside his all-capable, cold, sharp-tongued, bad-tempered tyrant son, who's extremely fragile as a child.

Interstellar road-trip story, masked characters, lots of bickering.

Blurb still in progress.

Core theme: Enjoy family affection