Tenya Akihabara is a Japanese restaurant in Akihabara that serves tendon, rice bowls topped with fried shrimp, sweet potato, mushroom and eggplant, along with udon and soba. The batter is crisp, and the soy-based sauce cuts through the oiliness of the tendon. Orders are placed at a kiosk at the entrance, and the quick turnover means a table opens up shortly after a short wait. The broth for the udon and soba is on the salty side.