Tanzanite Nerdsman567 Rule 34 2016 2girls absurd res absurdres bdsm blue diamond (steven universe) blush bondage bound cartoon network comic dialogue diamond authority domination duo english text fan character female female only foot fetish foot focus foot lick gem (species) gemsona giantess humanoid midriff nerdsman567 panties purple hair restrained rope size difference steven universe story tanzanite (nerdsman567) text thought tickling yuri