Ane ni Iwareru ga Mama ni Tokkun wo Shiteitara, Tondemonai Tsuyosa ni Natteita Otouto ~Burakon Ane ni Kitaeraresugita Shinmai Boukensha, Yagate Eiyuu to Naru~

_"If you're an adventurer, it's normal to be able to do this much!"_ Rose then set Shifa through a series of training exercises, telling him, _"If you want to be an adventurer, you have to be able to do this!"_ Shifa believes Rose's words and tries his best to complete the ordeal. However, Rose's training becomes more and more extreme in order to prevent her brother from being in danger when he becomes an adventurer...