It's kinda weird but still ultimately KKOW!! at heart. Sagawa being in his 40s and getting involved in a relationship with a MUCH younger and more vulnerable woman is pretty odd but until I read the summary just now I honestly thought he was maybe early 30s late 20s. That aside it's a solid 4 chapter arc that's a little more serious than the original series, but delinquents and their forms of problem solving are a thing of the past, so San-Chan and Itou come up with some modern solutions for modern problems. Worth a read if you're desperate for more KKOW!! or if you're likeme and finished the series a long time ago, and have returned after a wave of nostalgia.