Earth(Sekirei)

One day and alien ship found its way to Earth on board was an alien race superpowered humanoids that are physically and genetically indistinguishable from humans (Sekirei are aliens) they also form bonds with humans they kiss these humans are known as Ashikabi that when they kiss their sekirei's power significantly increases (I am sorry I forgot to put this here)

( create your own character or pick up pre-established character to begin your journey. Note I'm going to put a Canon timeline this is just the base world state so if you feel like creating alternate World States go ahead )