The two use a mystic millenium old chakra infused double dong, 'The Jade Stalk of Pleasure and Endurance' in their sexfight rematch.It also involves a 3 way with the 2 and a large Ninja hound. It was posted a couple of days ago https://storiesonline.net/s/37276/kushina-and-mikoto-s-sexfight.
In a few days will be posting the first chapter of the All Asian Sexfight Championship. Nine longish chapters which include all 31 differing contests in the knockout 32 woman seeded championship, the history of the event, the final seeding pre contest and background happenings during the Championship.