Marin Mizuta is a student in Precept's Peak Academy and a participant in the killing game. Her title is Ultimate Weather Forecaster. The weather forecaster of a major news show. Her bubbly nature and odd style of speech have made her popular across the country. Her weather predictions are always correct. She is narcoleptic, and has even fallen asleep on live TV. Marin usually refers to herself as 'Big Sis'. She also uses emoticons and the phrase 'hawa hawa' and 'poka poka' in her speech.