Ore no Isekai Shimai ga Jichou Shinai!

"Live freely for my sake, remember to be happy." That was the last words Yuya heard from his sister, his last remaining family member. However, Yuya caught the same disease as his sister, his life ended without fulfilling what his sister had wished for him. ――That was what was supposed to happen, but instead he was reborn into another world. Yuya was confused, but also found a reason to live. That was, to fulfill the promise he had made with his sister. Yuya pursued happiness as the second s...