A pair of sisters, Kanako and Satomi, were born in a narrow street with few peers their age. Always together, they eventually became involved in a lesbian relationship. One day, after graduating from university, Kanako moved to Tokyo for work... Feeling the loneliness of her sister's absence, Satomi. And around that time, Kanako was also growing lonelier by herself. A year later from that day, Satomi would head to Kanako's place. For a 'cohabitation life' with just the two sisters...
