It feels like MC just reached max affinity, unlocked the sex scene, final part of the background story and a minor sidequest.
Time to put her on the shelf and move on to the next objective?
Also
MC in chapter 2:
MC in chapter 25:
The author needs to decide his gimmick, either the lustful MC that just goes for quantity over quality with little regard for the women or the "humble" MC that doesn't
really want a harem, but just
happens to love multiple women.