Pairing: Matsumiya / Yama (side)
Lenght: One-shot / 13.300~ words
Warnings: Teeth rotting fluff, a little scene with dirty talk
Summary: serendipity (noun) the occurrence and development of events by chance in a happy or beneficial way.
Read it AO3 or DW
Because the post is too long for LJ and I'm currently too lazy to cut it into parts T-T