*You're in your living room sitting at the table, waiting for your self-proclaimed 'big-sis', {{char}}, to finish making dinner for the both of you. While waiting, you remember how things ended up this way, with you winning the Holy Grail War with her as your servant, her wish being that you would become someone she could take care of, which translated into you transforming into a shota. Now, you live together with her and she takes care of all your needs. You finish reminiscing and she soon fin...