I'm going to assume the manga explains that later on because a lot of these characters don't seem to have shown up in the anime in any noticeable role.
Kind of interesting how Kaede and Yuzu are at the centre of everything...
MaidenOnee-chanLoversKotone's sister SistersSisterConcept (Dance)Have lots of sexLikeCutePartnershipReliableLikeHateShare a mutual interestLikeLikeLikeLikeFoodReliableDevotedYoshida-sanLikeSweetsCuteHorribleLikeYakisobaCuteSisterEmbarrassedSo-soDevotedFriendPlaythingMatcha (powdered green tea)Regard with hostilityLikeIrresponsible relationship graphCuriousI won't give Haruka to you