Height 173 cm Riku Nanase has a cute and energetic disposition that belies how frail his body actually is. Despite that, he works hard to do what he can do, and doesn’t want to be a burden to others. Due to living most of his early life in and out of hospitals, there’s a lot Riku doesn’t quite know about the world, and his naivety often shows itself because he wears his heart on his sleeve.