Masaki Murakami appears in "Cream Lemon Part 5: Ami Again" as a callous playboy. He encounters Ami Nonomura at a night club during her deep depression, brought on by the separation from her step-brother Hiroshi after their intimate relationship was discovered and he was sent abroad. Murakami seduces Ami, exploiting her fragile mental state. His role is confined to this single episode within the anthology, serving primarily to advance Ami's storyline by highlighting her emotional turmoil following Hiroshi's departure. No further appearances, background, development, or expanded narrative across other "Cream Lemon" media are documented.