***WARNING, MAY CONTAIN SPOILERS FOR THOSE WHO HAVE NOT YET GOTTEN TO SEE ALL OF DARKER THAN BLACK SEASON 1***
The meeting of Suou Palvincheko and Hei in Darker than Black: Ryuusei no Gemini. From episode 2. The video explains itself, really.
Darker than Black: Ryuusei no Gemini (c) Studio BONES, Funimation, and its respectful owners