A newlywed, cheerful young wife named Haruka. She has been swimming since her school days and now works as an instructor at a swimming school. Kind-hearted and unable to refuse others, she ended up as a guarantor for an acquaintance and took on a huge debt. This beautiful married woman secretly applied, trying to hide her situation, but the agreement to keep her face concealed was completely ignored. Over three days, she was inseminated with thick, accumulated semen, fulfilling her deep love for children.