第 4 集: 貝爾在經歷一場涉及其匕首的危險遭遇後，遇見了莉莉露卡·阿爾德，對方向他提出了合作夥伴關係的建議。
2015年4月25日 播出
After Eina took Bell to the city so Bell can get some new armor, Bell meets a supporter, Liliruca Arde, who asked him to partying with her, although Liliruca is actually planning something fishy with Bell's knife. Seeing Bell's innocent and kind side, along with their lucky strike if together, both of them decided to be a partner. (Source: Wikipedia)