Bab 50: The evidence inside the...

Akira took out the key and showed it to Kaito as he asked, "Does it seem familiar to you?" 

Kaito frowned as he took the key and took a few minutes to analyze it before he spoke, "I don't know, but... I might just be able to figure it out!" 

"How?" Akira immediately questioned. 

Kaito gave a thin smile and a vague answer as he heard this question, "I don't want to reveal my sources." 

Akira's eyes narrowed down on the man and Kaito couldn't help but chuckle under his breath. 

"It has a number on it, doesn't it?" Kaito asked, pointing it out. 

It was only now that Akira realized that there was something engraved on the key in small letters that could hardly be noticed 

"33C...?" Akira read it out and it took a moment to click in his mind, "I think I know where this key came from..." 

Kaito looked to be a little surprised as he heard this and asked, "Where?"