Seisai-ryoku no Takai 7-tsu Shita no Imouto to Kisei Jijitsu o Tsukuru Hon - Ch. 2 - Normal Version

[MangaDex]

 

[bshsi]

Oh shit. It runs in the family

 

[gundulgondrong]

average japanese household

 

[smormu]

This is too much, even for me