Producer Ohno Atsuko of Hassaku Labs, whose Fukada Koji film “Nagi Notes” is competing at the Cannes Film Festival this year, is reteaming with writer-director Pan Nalin on “The Man Who Walks,” an English-language love story currently in casting and seeking co-production partners at the Cannes Film Market . The film’s central figure is the world’s only immortal man, drawn into a romance with a Japanese scholar whose life’s work centers on ancient texts about dying. The production is planned for Tokyo and multiple locations across Japan. The screenplay was written by Nalin and developed by his Monsoon Films production company in consultation with L.A.-based writer Tinker Lindsay. The reunion extends a creative relationship forged on Nalin’s “Valley of Flowers,” a manga-inspired epic on which Ohno served as co-producer. Popular on Variety “Pan Nalin and I worked together on ‘Valley of Flowers’ — part of which was shot in Tokyo.…