Heavy footsteps could be heard going down the corridor of the old house that had not been touched by loving hands for a long time. Kazuki opened the door of the house that still had the smell of memories... and regrets.

He closed the door with one hand, hanging his jacket on the rickety hanger. But there was something strange-no sound of small steps... no sound of cheerful calls like usual.

"...Hey. I'm home."

Silence. There was no answer. Kazuki's steps changed quickly, heading towards his sister's room. The door of the room was slightly open. And behind the gap—

Kazuki panicked "Oi—!"

He opened the door roughly. The petite body was lying on the floor. Her face was pale, breathing barely audible. Around her, dozens of medicines of various brands and colors were scattered, some still half swallowed.

Kazuki trembled, he knelt down to lean his younger sister's head into his lap "What the... What are you doing, huh?! You think this is funny, huh?! Damn it..."

His hand trembled as he felt for a pulse. It was still there... but weak. Too weak.