Help finding title

[uzunya]

Hai, i need help to find title ,i seen in the short youtube long time ago, about gyaru making love with every male and otaku caught it do that in his table then he wipe out go ranaway and he dosent interes whith that, next day the gyaru chagee to be otaku favorite anime character she dryed her hari to black.
That it i remembre

 

[undeed]

one is nanjou-san
but I remember there is another (at least one other) with the same initial premise