We are looking at the ocean together now because we have lived seriously." Suzu finally passed the entrance exam for the prestigious school of her dreams, but she was stuck in extra classes during the summer vacation. While she was feeling down, Kiyoto, a popular boy in the class who was also in the extra classes, invited her to make some summer memories together. Suzu, who wanted to have some fun in a casual way, accepted the invitation, but... A serious and hardworking girl encounters her first love and a dazzling youth!