Arata Iri draws amazing reaction shots. The over-the-top cartoonish faces are a major reason why I enjoy this so much.
By the way, the author has another series running in Mebae that also features a very intense protagonist and tons of visual comedy. I hope it will catch a group's attention, it looks very promising. Plus, it's Mebae, so... that magazine certainly doesn't have any editors telling the mangaka to tone down the yuri content, so with any luck that series will have some of the "hard yuri" Arata couldn't fit into Tovarisch.