Ise still hasn't realized what he has gotten himself into hasn't he
After all, even if we only take his current official harem into consideration ... time management is already becoming an issue and that's probably only the tip of the iceberg when it comes to the topic of how Ise's future life is going to look like
Thankfully he is no longer a normal human and with his training ... he definitely has increased the chances of him surviving the hardships that he is going to have to eventfully go through, but that definitely won't make his future less miserable...
Since, it's literally going to be Haven and Hell, occurring at the same time