Tell me about the "best partners" in Japanese animation?

My current favorite is Kamui from "Gintama". Actually, I quite like Gintoki too. But if I had to choose one, it would be Kamui. Although he doesn't appear much, his popularity is very high among Gintama. Shenwei is cold-blooded and sinister. He is Kagura's older brother, and his father is the leader of Xinghaibo. Their race is the Night Rabbit clan, and they are powerful. He was also the commander of the seventh division of space pirate Chun Yu. He later killed Admiral Chun Yu and became the admiral himself. And began to join forces with Takasugi. When he first appeared, his face was wrapped in gauze, with only his eyes exposed. He always smiles, but his eyes become very sharp and bloodthirsty when he encounters a powerful opponent. Kamui actually didn't feel anything when he first appeared (probably because he didn't see his face), until he walked on the street later and removed the gauze wrapped around his face, revealing a smile that was harmless to humans and animals. When I saw his face, I started to like him. It was at this moment that I started to fall in love with this character. Especially the bunch of stupid hair on his head is super cute. Kamui was a good older brother when he was young and would carry little Kagura on his back. My sister will stand up when she is bullied. Because of his mother, he always hated his father and even disabled one of his father's hands. Later, after meeting Afutu, he ran away from home and joined the Chunyu group. The master is Night King Fengxian. He only thinks about getting stronger and is only interested in fighting. Family ties are a hindrance to him, and he is quite ruthless when fighting Kagura. But when fighting with Xu later, Kagura protected Kagura when she was in danger. Kamui's appearance, style, outfit, and child-like smile are the reasons why I like him. When he smiles, he gives people a very cute feeling, but his character is actually not cute at all. Every time I see a picture of Kamui, I click on it. It would be great if Kamui appeared more often.