Whatever, congrats!

Pervert!

Kouhai...

Also high school Mafuyu-sensei...

In contrast to her strict personality, she's really honest and cute. Add her clumsiness and she has a good balance.

But to add to her the kouhai attribute in the special chapter...

No other way to display past nee-sama's superhuman cuteness.

The icing on the cake!

I want to change back into a tracksuit...