The Trampoline Class of Health Wisdom (健康ちえのわトランポリン教室)

"Yui is a housewife who has been married for two years, living a seemingly peaceful life that hides the silent torment of her husband Kohei's severe controlling behavior and daily psychological abuse. Desperate for a change, she discovers a mysterious community activity called "The Trampoline Class of Health Wisdom" and decides to join, quickly finding a sense of self and independence through the support of the instructor and her fellow classmates. However, the situation takes a dark turn when Kohei uncovers a secret that triggers his own deeply hidden past traumas. When he furiously demands that she stop attending the class, Yui refuses to submit to his orders for the first time, shattering their marriage completely and dragging both husband and wife into a violent, psychological downward spiral of madness"