as i understand it the difference is if things happen during the song--the characters move, an event takes place, people die, etc then it's a musical, but if they just sing about their emotions, it's an opera
listen, I'm a big fan of musicals, I've seen a lot in my lifetime, and honestly if this was a song i'd seen in one i'd assume we were meant to view them as like, lovers
listen starmyu i don't know at all why you went THEY'RE BROTHERS and then for the next 8 episodes dedicated yourself to framing the fact they are totally fucking do u want us to ship the incest? i don't understand,
shu: ........
shu: [sings a whole song that doesn't actually say yes or no]
shu:...............sure ok
"if u touched this vase u will die"
>a duet
>brothers tho