Wife Chikako (34 years old). A serious and cautious woman, she dated her husband for five years before marriage, and even after tying the knot, she continues to struggle with his behavior. Now in their fourth year of marriage, this childless, dual-income couple longs for children, yet she feels uneasy about her husband's attitude. Her original life plan was to marry around age 30, conceive her first child within a year, and have a second by age 35. Once the children were grown, she aimed to obtain a caregiving certification around age 40 and reenter the workforce. However, reality has taken an unexpected turn—her relationship with her husband changed earlier than anticipated, drastically altering her life path. This is the story of her first-ever overnight trip with another man, a two-day escape that marks the 158th installment of the hit series, delving deep into the emotional world of a married woman.