Out of these 3 Lucky stella, star fan club wich will te join? o have te joined?

#1 Tsukasa Hiiragi fan club www.fanpop.com/clubs/tsukasa-hiiragi #2 Kagami Hiiragi fan club www.fanpop.com/clubs/kagami-hiiragi #3 Hiiragi twins fan club www.fanpop.com/clubs/the-hiiragi-twins-lucky-star