Responses
The general gist that I got was that the shota told the lady that even though she has been cold/aloof and trying to push him away to him recently, it's all the more proof to him that she now, and in the past, has been nothing but kind and motherly to him for the entire time he has known her.
I do think he knows, in a general sense, how bad things ended 2 years ago. Hence him deciding at the end of volume that he be damned if he's going to forever lose the good thing he has going with her.
*SPOILERS*
Yeah the dad got salty about the lady spending so much time with his son the shota so much so that he lodged a complaint with the company the lady works for, threatening legal action. The lady was transferred to the company's branch location near her old family home, forcing her to move away without notifying the shota.
A little over 2 years pass since this incident, and the lady reunites with the shota through a chance meeting via the kid having a school field trip near the area. The entirety of the most recent volume deals with the lady's turmoil of wanting to reconnect with the shota since that chance reunion; vice versa with the shota to the lady. The climax of the volume is the shota deciding that he be damned if he going to lose the opportunity to tap the lady's fine ass.
(I lifted everything off 4chan, this summary from random dude lol)
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Currently as of the most recent volume she is in deep denial on if she really wants it or not, going as far as to give some half-hearted attempts to push the shota away. I alluded in this post >>168847010 # that the shota, as this volume's cliffhanging climax, effectively goes "I have a good idea on how you really feel about me, so I'm going to give to you anyway."