He's the main character, fantasizes a lot about girls.

Sasurai is a hapless, overworked and existentially lonely salaryman with a crush on his attractive co-worker simply because she’s considerate of him and is the attractive woman he sees every day.<br>
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<i>Note: The first episoded aired with a run-time of ~15 minutes as opposed to the standard 10-minute-long episode.</i>

A Japanese actor, voice actor, narrator, and theatre director from Tokyo. He was affiliated with Office PAC at the time of his death. His real name was Yasutomo Nozawa. Nozawa was best known for dubbing over Alain Delon, Al Pacino, Giuliano Gemma, David McCallum, Dustin Hoffman, Robert Redford, Christopher Walken, Bruce Willis, C-3PO (Star Wars Trilogy), and Nash Bridges (Nash Bridges). He was also known as his roles in Cobra (as Cobra), Dororo (as Hyakkimaru), Gokuu no Daibouken (as Sanzo), and the Sakura Wars series (as Oni-Ou).

On October 30, 2010, at 3:36 P.M., Nozawa died at a Tokyo hospital of lung cancer. He was 72 years old at the time of his death. A year after his death, he was honored with a Special Merit Award in the 5th Seiyuu Awards. 

(Source: Wikipedia)

Sasurai-kun