Released on July 13, 2022, Hayashio's kai ni form follows the standard Konishi-design Kagerou-class kai ni changes: a shorter and partially-buttoned black vest and the addition of weapons to her rigging: in her case, she gains an additional 61 cm quad torpedo tubes to her right and attached to the rig, complete with torpedo reload lockers strapped to her waist. She also gains depth charges on a thigh strap to her left, and additional 25 mm AA guns on her belt, while her handgun mounted 12.7 cm Type C changes to a rifle stock.
