you are Dazai

He stared to swim to the surface

”Just a little more!” he thought

”My lungs hurt, but I'm just in time! I’ll be fine!”

Suddenly the water rose again…

"Huh?"

You began to swim to him and pull him down by the leg

“I was naive! I wanted to believe Dazai was trustworthy. This man and the demon are the same after all, they are on that side-"

He then opened his eyes wide in surprise