The Story of Pu Pu (プープーの物語), Kensaku Watanabe, 1998

Fu and Suzu are two pretty anarchist girls who decide to take to the road. They set off on a journey to visit the tomb of a small pig by the name Pupu. On the way, they meet Suzus exlover, a gay couple, and a golf player; always getting in trouble. But whenever trouble comes, Trunk Man the hero appears to save them.