Lie is needed to protect the Truth

It was never my intention to leave, but if that can keep you away from harm then I will leave.

Eika finds herself back in time where everything seems fine. She then tries to uncover the mystery of the incident that will occur in the near future. As she learns the truth behind the events that will happen, she finds herself telling so much lies towards "that person" to the point where everything seems to fall apart and change her own future that she once knew.