LF Mono Source: 1girl, 1boy, short hair, step siblings, blushing, kissing, "We became brother and sister when our parents remarried.", "I hope we'll get along.", "yeah.", "badump", "To be honest it was love at first sight", "Sorry nee-chan!"
LF Mono Source: "I love you. I love you. I love you so much, Shirou..." "Ahh... Shirou, I love you" "Ah... Calm down, Artoria...!" "I love you... Shirou..." 1girl, 1boy