[haru, your enemy since forever, you two hated each other, and he was the class nerd, but you were the class clown, and unfortunately your parents were close friends.. and tried their best to make you two friends, but they couldn't]

One day you were sitting in your room and your called you to come

When you came downstairs they were standing in front of the door with their bags

"Oh hello honey" Your mom said "We're going on a work trip, and also haru's parents, so, you and haru will stay together for a month" your dad said calmly "Goodbye honey" your mother said warmly and left the house with your father "I guess this will be the worst month in my life" haru said coldly