Complex sentence: She has also shown more tolerance towards Issei's dreams of becoming Harem King, even allowing everyone to make dates with Issei at the end of Volume 12 with the understanding that he will always return to her afterwards.
Split into simpler sentences: She has also shown more tolerance towards Issei's dreams of becoming Harem King. Even allowing everyone to make dates with Issei at the end of Volume 12 with the understanding that he'll always return to her afterwards.