Pocket Travelers

Lucky Star Pocket Travelers (らき☆すた ポケットとらべら〜ず) is a Lucky Star manga book published in 2008, made by Akari Ryuryū. In the book, the main characters (Izumi Konata, Hiiragi Kagami, Hiiragi Tsukasa, and Takara Miyuki) have spontaneously shrunk to the size of dolls.

Further reading

• Lucky Star Pocket Travelers (らき☆すた ポケットとらべら〜ず) on Japanese Wikipedia.