Novel & Cerita Rossweisse And Issei

Issei changed from his old self to the new him, its a semi-NTR at the start meaning Rias etc doesn't have s*x with their new boyfriend. After Issei went missing Rias etc started to realize what have they done and regretting their action but when they reunited once more Issei is not the same as he used to be, a pervert lucky go around changed to the badass Issei now. Lori will be traveling to different worlds to meet new girls, the 1st girl is Mukathri, then Sinech, Jalter, and Jeanne.