8-banme no Tsumi manga summary: Souko and Yuki are childhood friends. Despite their youth, the love between them develops into a serious relationship. But the terrible secret Souko hides (an injury, a broken family) prompts her into later abandoning Yuki. Now living in a new town, Souko meets Hiroto whose friendship and gentleness coax Souko into once more reaching for happiness. Past wounds, the promise of future love, overwhelming passion and two brothers vying for the same woman.