Ema and Emi are biological sisters, with Emi being the elder sister by four years. Emi knows of her adoption by Rintarou but has kept it a secret for Ema's sake. Now the two sisters will be moving in with their new family of 13 step-brothers. Is there love in the air for Emi as well?

A series of one-shots following Emi and her relationship with Ukyo. Takes place after events of Brother Dearest.