Personally, I feel the story should have been more focused on the MC/ they should have designed better personalities for both princesses and also after parting ways the focus should have been on the MC and his growth rather than reuniting them so soon. Plus it is very off putting when you see how clingy and obsessive a character is portrayed as....(-_-)....
Yankee Wa Isekai De Seirei Ni Aisaremasu.