As children, Taisei and Kouta didn't need another reason to live together other than being brothers. However, as they grew older, Taisei realized that his affection for Kouta exceeded brotherly love. Unable to cope with these emotions any longer, Taisei leaves home. After several years, he unexpectedly returns and asks Kouta to teach him the family business, marking the beginning of a new chapter in their lives. Kouta tries to ignore his older brother's feelings, while Taisei yearns for his younger brother's recognition. Set in their family's dyers' studio, est em weaves a Japanese-style BL tale about these step-brothers' emotions.
The volume also includes one-shots: "Swimming, Drowning, Swimming," "Heart to Heart, Snow Falling".
