Blending in the Everyday World and Becoming a Swordsman

He accidentally obtained the strongest sword god system and the most deceitful krypton gold system. He came to the country of the second dimension and became the elder brother of Bai, the krypton gold boss. In order to support his sister's krypton gold and become a boss, Ye Kong was ready to sell his kidney! Looking at the cute Ichido-Shiro who looks forward to new equipment, Yozora must feel that she has to make money to support her family! The dorky sisters of the quintuplets? It's simple. With my performance as a top student at Shuchiin Academy, it's easy to be a tutor for idiots! Um? ! Wait, quintuplets? ! Sisters? ! Then should I really be prepared to 'sell' my kidney... Well, tentatively there are Kaguya-sama and the five equal parts in the mixed world... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.