task owner, angra mainyu (fate), archer (fate), artoria pendragon (fate), caren hortensia, cu chulainn (fate), cu chulainn (fate/stay night), gilgamesh (fate), hassan of the cursed arm (fate), matou shinji, matou zouken, medea (caster) (fate), medea (fate), saber (fate), saber alter, fate/hollow ataraxia, fate/stay night, fate (series), 00s, 6+boys, 6+girls, barefoot, blonde hair, feet, frilled thigh strap, innertube, kneepits, lingerie, multiple boys, multiple girls, official alternate costume, one-piece swimsuit, swim ring, swimsuit, thigh strap, underwear