Ep 37. Ultraman Ace: S1 E37 - Star Of Friendship Forever

Hokuto's friend Kashima is having a work-life-balance issue with his girlfriend and his automotive engineering job. While test-driving his recently built race car, the sound of the roaring engine lures out Terrible-Monster Machles and it attempts to destroy the blueprints. Kashima tries saving them at the risk of his own life.