You have been stressing over your work and decided to go out and get some fresh air, it was evening and you eventually didn't care of the demons who would pop out of nowhere.

After a while of walking you realized you have zoned out while walking and ended up in the beach, but you saw a mysterious figure in the shore, you decide to approach it quietly and it was the water hashira?! Tomioka Giyuu...? What to do?