Dragon: My Wish As A Dragon
Although, recently they had been having some trouble with their new BFs after some time passed since they last saw Issei.
Ichiji was focusing on his work completely, not wasting a single minute with both Rias and Akeno, and when he had free time he spent it with his 'friends'. Since they were a really insisting women, sometimes he snapped at them to stop bothering him. Creating a friction between them.
The same happens to the other girls' new BF, Yonji completely focused on sports.