An epic adventure that takes place across two eras of Japanese history OTOGI ZOSHI is an anime series that takes the viewer from feudal Japan to the modern day while exploring the experiences of two girls named Hikaru. In VOLUME 5: CROSSING BOUNDARIES Hikaru and Tsuna proceed to look for answers behind Tokyo's strange occurrences. Meanwhile a man in a black coat complicates their investigation. During this time Tsuna's girlfriend Ibaraki reveals her own motives and recurring flashbacks suggest several keys to unlocking Hikaru's past.