Introduction

15-year-old Jungkook, who knows nothing about marriage, becomes Taehyung's older brother's life partner.

The day after the marriage, Jungkook, abandoned by his husband, then he is forced to become a servant in his husband's house. At the age when he should be celebrating his childhood, Jungkook struggles because of a broken relationship.

The one light in his life was his brother-in-law, 12-year-old Taehyung. Jungkook develops a special interest and love for the 12-year-old who was his comfort, light and support without knowing the consequences.