Kokomi and Marina, who live in an apartment complex, experience lesbian play on the spur of the moment from a sexless situation. The softness and delicacy that are different from men, the pleasure created by mucous membranes and mucous membranes. The two of them are absorbed in the act that started playing with fire, and the relationship and emotions that accelerate as they become interested in the hole in the buttocks... The ecstasy between women.