2236 A.D.

This tale began five years earlier, in the spring of 2231. Mankind has evolved a new kind of communication ability called “telepathy”.

Which is longer, past or future? —April 1st, 2236 A.D. —99 e-mails were unread. —99 e-mails from the same sender… her. This tale began five years earlier, in the spring of 2231. Mankind has evolved a new kind of communication ability called “telepathy”. Yotsuba notices a young girl who does not...