Dear Kim Dahyun [Book 2 of Dear Myoui Mina] || MiHyun

This time, Mina writes letters for Dahyun and she's hoping, just maybe, it would reach Dahyun. started: August 24 2019 ended:

Dear Myoui Mina || MiHyun

Where Mina receives letters and she has no clue who's her secret sender is. started: January 3 2019 ended: May 23 2019