Koori no Hime wa Chiisana Hidamari de Tokasaretai氷の姫は小さな陽だまりでとかされたい; The Ice Princess Wants to Be Melted by a Small Patch of Sunlight

Aoba, a first-year high school student who takes care of his younger siblings in place of his busy parents, ends up playing at the home of his classmate Mizutori, a cool beauty known as the "Ice Princess"...?