I've been reading His Favorite since the series first started coming out and I was on the fence about the last volume but now I'm definitely going to say it.  I'm done with this series.  It's vert episodic and nothing new is happening, the jokes are tired by this point, and honestly, I just don't care any more.  I think these two have been in high school for what feels like 8 years now because the same holiday stories keep coming up.  They have the same issues that they've been having for the past 11 volumes.  The side relationships all having you wondering why the hell they're even together and honestly, the only thing that's changed really is that Sato has mellowed out quite a lot and his initial asshole actions now genuinely feel more gentle teasing instead of him unilaterally inflicting his own likes and wants on Yoshida.
I don't have a problem with Suzuki Tanaka's stories but I'm done with this one.  Just let it die.