It does have a light novel version, volume 1 published in 2023(by Kodansha), though not sure if it's completed or ongoing, if the light novel version is to incorporate everything in the webnovel we can expect one more volume.
Question is, how much and how detailed the memories he got are. Well, they're women so can't be too bad for his mental state. On the other hand, if he gets the vivid memories of some male hero leaning the 'other' way?... :whistle:
...At this point, not sure it ending now is a curse. Or a blessing. At least it's over. Not sure I'll ever pick up another of this author's works no matter how promising they look...