Ore no Imouto ga Konna ni Kawaii Wake ga Nai Animated Commentary 08
Their outfits aren’t colour-coordinated. Their personalities amplify each others’ faults. Saori should be wearing Ojisan’s style of clothing and vice versa (or maybe not).
Really, what was AIC thinking?
It seems like the only reason for Ojisan’s appearance is a giant setup for just one scene in particular.
Inappropriately happy Ojisan!
From this one screencap the unaware viewer could easily conclude that Ojisan and Kirino are not in a father/daughter relationship, but a spurned lover/abused love interest relationship. Conclusions may vary depending on the amount of hentai said viewer has perused.
Here ends the lesson.