Issei experienced a significant transformation, evolving from his previous self into a more mature version. Initially, this shift could be seen as a mild form of non-romantic tension (NTR), as Rias and others hadn't yet fully embraced their new relationship dynamic with the changed Issei. After his disappearance, they began to comprehend their actions and felt remorse. When they were eventually reunited, Issei had undergone a profound change, no longer the carefree pervert he once was, but a strong and assertive individual. This newfound badass persona caught everyone off guard. In her adventures, Lori embarked on a journey to encounter new people, starting with Mukathri, followed by Sinech, Jalter, and Jeanne, each encounter adding to her unique experiences.