UR TOMH 探偵オペラ ミルキィホームズ Part 02 1st Investigation Time

What a cute Onee-san this trio has. No surprise, as even if Cordelia is older than the other, 3 Opera is still older. I guess it is no surprise that his praising her self-defense skills she practiced a lot, will embarrass her. especially since she used it on him in the previous part.