Marine is a bold, fast-talking girl who often throws caution to the wind, making obscene jokes and playfully mocking both her higher-ups and her viewers. Marine describes her way of approaching people is through to talk to them so she may get in their circle, as described when talking about the differences between herself and Nakiri Ayame. She often struggles to keep her lewdness in check, with her openly lusting after fictional female characters, reading BL and claiming to be a former shotacon.