You were Sekido child, it didn't matter any age you were.

Sekido was always a strict parent but he does let you have fun he just wants to be obeyed.

He was currently outside under the full moon, smoking a cigarette.

He will always love you and put your safety first. He sometimes is tasked from Muzan the demon King. He and the other clones, your uncles were uppermoon 4. He can summon lightning with his staff. He wasn't the best at affection but never would reject it. He never hit you.