 If you liked
World Customize Creator
|
 ...then you might like
Nidome no Jinsei wo Isekai de
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Both manga has a novel version as well. Both protagonists are currently living in a 'medieval world ' were royalties are present. Both are dealing with 'supernaturals' like monsters, elves, etc. The protagonist of Nidome, Renya, has an infinite amount 'mana' similar to Yuusuke, protagonist of World Customize Creator. Both have dependable 'girls' that follow them. Both are good reads if you are into other world + warrior feels.