In a world where individuals with unique skills are rare, Nigris, possessing an appraisal skill, is deemed incompetent by the S-rank party, Silver Wings. Dismissed and insulted, Nigris proves his true strength lies not just in appraisal, but in his profound healing magic, amplified by his strong desire to protect his companions. He decides to build a party based on trust and mutual respect, using his appraisal skills to gather talented individuals and create an unparalleled force.