That would lead to the most robust game environment for us to romp around and have fun in. A large compound with dorms for the boys and girls, various recreational areas, dining hall, and so forth. Just letting us to develop our own relationships and naughty bits naturally, while you could set up plot twists and set pieces. Like having two of us in a relationship and getting one of us to cheat on Sona or someone.
Also every so often the "game" starts and ten of us are selected be summoners to go to battle once again, as would just be summoned off of the compound and onto summoners rift. Naturally, this would happen at the most inconvenient of times, like when we are sleeping or bathing or fucking.