Mario Natsume

Mario Natsume is Masako's younger brother, known for a quirky sense of style that often includes a penguin-themed hat similar to his sister-in-law Himari's signature accessory. His playful personality reflects this lighthearted aesthetic. As a central figure in the story, Mario's personal journey is closely tied to his family dynamics. His relationship with Masako serves as a key narrative thread, focusing on sibling bonds and individual growth.