For 7 years, sachiko and her father have shared a happy life. however, one day, her father decides to reveal a shocking truth - he was not the man who had a romantic relationship with sachiko's mother. just six months after they almost got intimate, sachiko's mother returned unexpectedly and left her at her father's doorstep.
given this revelation, how will sachiko comprehend this new reality? what emotions does her father feel about it? will their love and the home they have built together for seven years be affected by this disclosure?