Actually... (puts my nerd glasses on) ...if anything Kaga would be a Tosa-class battleship.
Had this convo in Ido's tweet back then, got told that Japanese do call them Kaga-class Battleship. Dunno why English speakers decided to change it to Tosa but hey, the more you know
I always knew that the song has some connection with Sukuna & Seija but damn this hits me right in the feels. I'll never hear the song the same way again