A captor and a captive begin to exchange letters. What this entails is entirely unseen by the other. Inspired by Wattpad's #JustWriteIt and #LoveLetters challenge comes a new tale featuring Loverofpiggies's and Popcornpr1nce's two beloved AUs, Errortale's Error!Sans and Underswap's Blueberry. Disclaimer: Cover photo belongs to its respectful owner, Girinlifeisgirin on Tumblr. [This story has been discontinued, so please don't ask for any updates. Thank you for understanding!]