Mikoto Shiratori stands as the main heroine of the Inyouchuu series, sporting waist-length red hair and blue eyes. She operates as a demon hunter for the Makai Order, fighting alongside her boyfriend Yamato, mother Hatsune, and younger sister Takeru. Her personality merges a spunky, determined attitude with pronounced jealousy—often fixating on teammate Sui due to physical comparisons like bust size—while maintaining an open-minded approach to sexual experiences.

On the battlefield, Mikoto leads as the group’s frontline combatant, wielding a summoned magical katana tailored for demon slaying and favoring aggressive tactics. She supplements her offense with barrier spells to repel demons and healing magic to mend allies’ injuries. Though formidable in team engagements, she falters when isolated or forced into solo confrontations.

Her dynamic with Yamato involves recurring rescues during missions, where she openly critiques his combat errors and behavior, enforcing strict standards that veil her deep affection. She struggles to voice this affection directly, resisting emotional vulnerability. With her sister Takeru—a tomboyish strategist on their team—Mikoto occasionally navigates Takeru’s intense sensual urges triggered by events in their missions.

Narrative-driving missions include investigating mysterious disappearances on an island, where Mikoto, Takeru, and Sui transition from leisure activities like sea bathing to confronting escalating supernatural threats, ultimately exposing a potent orchestrating entity. Across series installments, Mikoto’s physical design subtly shifts, occasionally noting incremental bust size alterations.