Lab Rule: Always mark your reagent bottle with labels
Onee-chan's gettin' increasingly terrible.Which one was it again?This one was put by me,and this one by the younger sis...Her half...A doofus, aren'cha...Break-fast! Get 'ere fast!Poor Mayugoroo-san.Tis' bad, tis' bad, reaaaal bad~!I got the wrong one.That's really bad~!!