Mika Lelouch is a supporting character from the anime Tōsōchū: The Great Mission who serves as a contestant and an antagonist within the game known as Run for Money. At first glance, Mika presents a gentle and caring demeanor, appearing sweet and angelic, and readily offers to tend to the injuries of others. However, this nurturing exterior is a deceptive facade that conceals a far more dangerous nature. Mika is revealed to be a serial killer who infiltrated the third game of the series, turning the survival competition into a hunting ground. The character possesses a formidable ability known as a Warcry, which they can unleash with much greater ease and control than most other runners. This proficiency makes Mika a frighteningly powerful force, described as a one-woman army capable of overwhelming other participants. A layer of mystery surrounds Mika’s true identity, as it is suggested that the nurse persona they adopted during the game is a deliberate disguise, with speculation that Mika may be impersonating someone else or that their apparent gender is part of the deception. Motivated by predatory instincts rather than the prize money, Mika disrupts the usual dynamics of the game by introducing a direct and violent threat from within the ranks of the contestants. Their role in the story is that of a dangerous infiltrator whose actions test the survival skills and cooperation of the main characters, particularly during the third game. The character's development is limited to their function as an antagonist, with no significant arc of change or redemption shown. Their key relationships are defined by the suspicion and fear they instill in other participants; notably, one of the recurring contestants correctly deduces Mika's true nature as a murderer, leading to a personal grudge from Mika. Overall, Mika Lelouch stands out as a memorable antagonist whose blend of surface-level sweetness and underlying menace adds a layer of psychological horror to the game.