Here is the answer!
”UME NO HANA (梅の花)”
Their concept is..."Our restaurant is right between inexpensive tavern and classy restaurant."
Lunch menu is from 2200yen.
If you are fan of Tofu（豆腐） and Tofu paper(湯葉), They have Tofu lunch 2000yen.
"UME NO HANA" has more than 70 branches in Japan!