Mizuki Morikawa is the adoptive sister of Fujishiro Yoko the Ultimate Explorer. She is very clear headed but also cares for her sister immensely. She wants to bring everyone together to get them out of the killing game and uncover the mastermind. She won't let anyone hold her back and is confident that if a murder does occur, that she'd be able to solve it. She shpuld have a mid to deep tone voice.