Also known as: 超城合体タメノブーンV
(Choujou Gattai Tamenoboon(Tamenobuun) Five)
A 2016 official advertising project of the Hirosaki City, Aomori Prefecture.
The mechs are named after historical figure Tsugaru Tanenobu and five castles, Ooura, Hirosaki/Takaoka, Wattoku, Ishikawa and Horikoshi.