kanzaki karuna, archer (fate), arcueid brunestud, artoria pendragon (fate), ciel (tsukihime), emiya shirou, hisui (tsukihime), illyasviel von einzbern, kohaku (tsukihime), kuzuki souichirou, matou sakura, medea (caster) (fate), medea (fate), saber (fate), sion eltnam (type-moon), sion eltnam atlasia, tohno akiha, tohno shiki, tohsaka rin, yumizuka satsuki, fate/stay night, fate (series), melty blood, tsukihime, type-moon, 00s, 4boys, 6+girls, black keys (type-moon), blonde hair, brother and sister, crossover, everyone, multiple boys, multiple girls, siblings, sisters, twins