SMAP & Arashi: the senpai-kōhai system

I make no secret that among Arashi’s senpais, I love TOKIO the most. I suppose it’s a reaction to how some Johnnys fans, particularly SMAP fans, react whenever Arashi is touted as the group’s “heir” to whatever collective fame and success there is in Japan’s idoru world. Besides, I’ve seen more TOKIO x Arashi interactions…