These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
You could arguably get hints from Narumi-papa's attitude towards Seiji, particularly with the constantly-drawn parallels between the prior generation (Seiji and Narumi-papa) and the current one (Kiri and Narumi Shogo). Possibly why they explicitly re-draw the parallel at the end to compare the older guys to Narumi and Ochiai instead...
Either this or severe Hero Worship in Ozawa's case; though an otherwise unflappable Jerkass, Kiri's inherited-from-her-father cutting techniques are instantly recognized by him; following the announcement that Kiri is THE Seiji Koshiba's daughter, we find out that Ozawa has posters of Seiji in his room...
Les Yay: Kiri and Kanako to an extent, plus Kiri and Chisami.
