sai tamako, rika (viper), viper (series), viper m3, animated, animated gif, game cg, looping animation, 1girl, arm up, armpits, blue hair, blush, bouncing breasts, breasts, breasts squeezed together, closed eyes, collarbone, dutch angle, from above, grabbing another's breast, groping, hair between eyes, hair ribbon, hair spread out, head tilt, indoors, large breasts, long hair, lying, nipples, nude, on back, open mouth, parted bangs, pov, ribbon, shiny skin, sleep molestation, sleeping, solo focus, upper body, very long hair