Looks like they didn't clean the sketch of those pages.
http://www.mangago.zone/read-manga/saezuru_tori_wa_habatakanai/mf/ibx_chapter-43/pg-17/ Even this page doesn't seem as detailed as it should be, especially Yashiro and Doumeki's faces. I wonder if the author was rushing to draw this chapter due to having a busy schedule.
He always looks as he is in pain :( feel kinda sorry for him.
But now what is important is RUN MY BABIES! RUN!