Jack Jeanne is an engaging otome visual novel game where players follow Kisa Tachibana, an aspiring actress who enrolls in the prestigious Univeil Drama School disguised as a boy. The game revolves around her journey to secure a lead role in a major performance while forming relationships with her male classmates. Players must navigate the complexities of her dual identity and the challenges of gaining acceptance in a male-dominated environment.

The gameplay combines life simulation elements with romance, as players raise Kisa's acting stats through various lessons and activities. The game includes rhythm-based mini-games that add depth to performances, enhancing the theatrical experience. With multiple branching story routes based on player choices, including interactions with characters like Suzu, Yonaga, and others, Jack Jeanne immerses players in a world of disguise, identity exploration, and the pursuit of dreams.