i think he means rise having a small build. Ted's shadow tried to suck everyone into some sort of black hole, and yu had to hang on to rise as she looks lightweight.
Senpai's persona is so cool~Since Himiko is just as pretty as Rise.Y, you think so?And so slender...back then I was afraid you might fly away.Aah~ Are you saying my performance was poor, sempai!!Ah, no, that's not what I meant.Then I'd better hang on tight~WhoaShe really is slim...He even protects Himiko <3I wonder if she's getting enough nutrition.Wah!*squeeze*