Secret sister

Meliodas,elizabeth and the sds crew end up meeting each other at craze highschool they all have sibling elizabeths sibling: kerheart goddess of love kings sibling:aurora fairy queen of fairy queen valley merlins sibling:anileese greater mage then merlin ban sibling:kyrolee also immortal diane's sibling: derdri gowther and escanor don't have any. There sibling are in a gang called flowers of poison and sin. No one knows the leader other then the members and meliodas. orwho's in other hen the siblings other then sell and esst no one's met his other sibling