Set into tv show The Arrow universe. 
Ta-er al-Sahfer is Sara Lance
Sarab is Maseo Yamashiko
Ta-er al-Sahfer and Nysa Al ghul are in a relationship. Both find themselves interested in new member Al Mansi (previously known as Nicolas before joining the ranks). He is a shy, young man. His dedication to training is second to none and he is making progress faster than anyone before him. He is also Someone who should easily be forgotten. His unassuming nature make him someone nobody really would think as an assassin. Story start with Al Mansi in the training halls. He as progressed by leaps and bound and is on part with both Sara and Nyssa in hand to hand combat with a style leaning more on hard style. He is now Working on his katana training, using the Ogame school water and fire technique  from the scroll. Both Nyssa and Sara propose to help him. Nyssa proposes to start training in long range weapons like the bow and arrow. Training session. Written like fiction book.No declaration of romantic interest between Nyssa, Sara & Al Mansi.