Source : https://www.pixiv.net/en/artworks/106747119

Ranmaru and Bosatsu from the Suzuka clan come to the Miroku village to challenge Miko and Yaku in a match of sexual prowess to determine who is the best kunoichi of the sexual ninja world...
Quickly, this conflict shift into a fierce competition between kunoichis to determine who can make the most men cum. To determine who is the best sex ninja warrior, those debauched little ninja girls are going to suck dry any dick that comes their way, and their juices will freely flow as their body count rise. May the sluttiest ninja win !