For those who don't care about sugar! "Sichuan-style Mapo-don Udon" with rice on top is Hanamaru Udon!
At each Hanamaru Udon restaurant, "W Carbohydrate Menu" "Sichuan-style Mapo-don Udon" with rice on top is on sale. It's not "Mapo tofu" but "Mapo tofu" udon.