Anime Matsui Launches

Sekai is a pretty, popular high school student. However, just as she is confessing her love to her childhood sweetheart, her whole world falls apart! The train she is on derails in a horrible accident, and only Sekai survives by being pulled through time by a strange little boy, with an even stranger doll with the ability to cross time and space. She finds herself hundreds of years in the past, tangled in the affairs of kings and martyrs, and being chased by a cruel man with the same face as the boy she loves.