Nee-chan, c-calm dow-Owaah!Aaaaa...Wha?Eeeeeh!?Little brother vanisheeeed!Bmph...What's this married couple up to...?What kind of bad little brother ignores his big sister like this, huh!?...Owww...Little brother before flowers
Play on the expression 花より団子 (Lit. "dango before flowers"), which is used to refer to a lack of sophistication or appreciation for form rather than function. (As in someone who prefers dango over flowers.) Pay attention to meeee~!Whoa-!
You drank too much...