Pastlives
now that I think about it I wonder what kind of chaos they would cause if they are thrown in already chaotic world like akame ga kill and taimanin asagi world and am also curious who are the other two chat group members also great novel thank you for answering most of my comment and great novel you are writing it is fun to read
hey is milim and rimuru female subordinate and the other two female true dragon and also female demon lord,shizue not included in tensura harem and also why not make Naruto verse au by having sasuke and Naruto as girls and mikoto ad Kushina alive and add them in the harem if you want to add more girls from these two verse and please add Kaguya from Naruto verse it is a must have in harem kaguya