22-year-old newlywed Mei is as adorable as she looks. Six months ago, she married her husband, but her daily life has been extremely difficult living together with her husband and her father-in-law, who requires care. Her relationship with her husband hasn't gone as planned, and while troubled by rumors of his infidelity, she continues to spend her days overwhelmed by caregiving duties. Into this life comes Hatanaka, a caregiver whose kind and warm words deeply touch her heart, gradually shaking her emotionally. Drawn to his warmth, Mei slowly begins to awaken to her own sexual allure, transforming into a true female masochist.