My Physical Education Teacher (2017)

Wang Xiaomi marries middle-aged Ma Ke, expecting a life of love and pampering. However, she soon realizes that his habits are set in stone, and being a young stepmother comes with challenges. Between a rebellious teen, a mischievous child, an elderly mother-in-law, and a lingering ex-wife, she must navigate the chaos and win over her new family to find the love she dreams of.