Lucky Star is a 4koma comic by Yoshimizu Kagami, adapted in 2007 by Kyoto Animation. This series depicts the school life of 4 girls: otaku Izumi Konata, Takara Miyuki, Hiiragi Kagami and her twin sister Hiiragi Tsukasa.
The following tags implicate this tag: miyakawa-ke_no_kuufuku (learn more).