I feel the need to point out that these are incorrect subtitles. This is what’s actually said:
Sarada: *Leans in*
Boruto: W-what is it?
Sarada: Your eyes… They really are bluer than the seventh’s, aren’t they?
Mitsuki: *Buts in* You’re right. (Or, “ah, it’s true.”)
Boruto: *Jumps away* Wah!