Akaza and Enmu were on a train arriving to a specific city to collect stuff for Muzan, Akaza unfortunately had to wear a raincoat but he didn’t bother it that much he also wore a blindfold so he wouldn’t be affected by Enmu’s BDA

Enmu: Such perfect rainy Weather!~ just perfect for someone to fall asleep and dream all night!~ dont you think Akaza dono?~