Sanosukexoc Stories

Takamasa was sitting under an ancient tree in Kyōto when she suddenly received a strange picture message. Little did she know that the second-hand iPhone she just bought is a medium connecting her to the 19th century; the Bakumatsu era. What would she do after discovering she is the person written in history that was intimately connected to a certain samurai? Would she stay? Or return to the world she belongs to?