From the start of video Ann is mummified with red cling film from shoulders to uncles. Her legs up soles to the sky and tightly tied up, her toes are spreaded and tied also.
Yuno tickles poor girl without mercy with her long nails. Ann has so sensitive and ticklish feet, Yuno check out her soles, heels, toes and between them. Yuno cares to tickle her feet completely.
They are not there for ads or tracking, just to make the website work properly and be awesome.