[Rain frowns, and is silent for a moment. He's never discussed his memories with anyone else, and he still has no intention of sharing any personal information. But what little insight he has on the samurai code... that much, he is willing to offer, now that he's starting to strongly suspect that he and Daitou may be from the same place.]

According to the samurai code, after a failure, one is expected to commit seppuku. [He pauses, and glances away.] I don't know the full definition of 'failure'. But it seems that... receiving a back wound is counted as one.