Really neat series, but I really hate when you introduce romantic lead just because either that's what editorial department demanded, or you wouldn't survived without the subplot in the market. It's seems like an unneeded compromise, the story would've been perfectly fine without it, and going by what Matoba was drawing prior to starting her career as mangaka, she has little to zero interest in painting anything else than r2gf at most (non-sexual moe lolis with androgynous shota ocassionally mixed in).
ps. word for today is: "nemuribako".