The Light in the Darkness Is You

Akari is a normal teenage girl working with her best friend Nanico at the local cafe. As a little girl she suffered a head trauma that left her with little memories of her past.
One day she meets a young woman named Lucy who was separated from her friends when their train was attacked by bandits.
Akari offers for Lucy to stay with her until she can find her friends. Nanico is not happy about the arrangement but Akari can't figure out why?
Little does Akari know this one meeting will change her life forever; unveiling a past she didn't know existed.