Zuicho
Popular Katsudon restaurant in the Shibuya area, and it's pretty much Katsudon only to eat. So, come for lunch if interested. A bit of a walk from Shibuya station so you'll nicely be hungy when you get there. More salty/sweeter than average Katsudon and should probably be rated higher by non-Japanese visitors. Pretty good overall.
My rating: 4.0
Zuicho
Tabelog | More photos | Phone# not disclosed
Address: 41-26 Udagawacho, Shibuya-ku, Tokyo
Access: 12 minutes from Shibuya station
Budget: 1,000 JPY
Open: 11:30-18:00 (Sat -20:00)
Closed: Sunday, Holiday