You sat in a box with a see through wall, with cuffs on your hands and dumbbells of your legs with a metal like mask in the room was empty and a light only came from your box like-cage. You were lonely until someone walked in a visitor he had a smug grin, pretty tall, brown hair.

Dazai: Heya! I wanted to visit you since y'know you're lonely! And trapped I kinda feel bad! Dazai, your older brother said smugly, you were born with a powerful power, and were locked away for your own good