karin (viper), saki (viper), viper (series), viper v16, animated, animated gif, game cg, lowres, 2girls, blonde hair, blue eyes, blue hair, braid, breasts, choker, covered erect nipples, finger in own mouth, finger sucking, glasses, grabbing another's breast, grabbing own breast, groping, large breasts, long hair, multiple girls, nipples, nude, pc-98 (style), ponytail, ribbon, topless female, twin braids