Nagi Mamiya, the daughter of an aristocratic family, runs away from home to escape her family's forced political marriage after her father's death. However, with no one to rely on, she has nowhere to go and visits her old teacher's house... A lonely young girl who cannot ask anyone for help eventually loses her mind due to being trapped in a hellish situation and subjected to lesbian training... A story about two women isolated with emotional scars... a story about the captivity of a reclusive lesbian.
