After enduring a heartbreaking loss to terrorism as a child, Shinkurou Kurenai, the protagonist of Kure-nai, vows to remain strong. Now a high school student, he serves as a mediator alongside Benika and resides with the Houzuki family, honing his martial arts skills. Collaborating with his team, Shinkurou endeavors to assist those in need. When Benika introduces Murasaki Kuhouin, a young girl from a wealthy family, into their home, Shinkurou is tasked with safeguarding her. Initially taking his duty lightly, Shinkurou's world is shaken when Murasaki disappears, prompting a frantic search. Upon locating her, a profound connection forms between the two, destined for deeper bonds. Can Murasaki help Shinkurou overcome his tragic past, or will he be the one to guide her? As challenges loom ahead, how will this duo confront the trials awaiting them?