To bring blessings and pray [carp streamer] 4 colors

During the Dragon Boat Festival (i.e. the fifth day of the fifth lunar month) during the rainy rainy period, samurai families in Japan's Edo period would draw carp patterns on paper or cloth in front of their homes and let them flutter in the wind. Wind flags imitating the movement of carps are used to pray for children to grow up healthily. After the Meiji Restoration, carp streamers were mostly displayed until May 5 of the Gregorian calendar (Japanese Boys' Day, evolved from the Dragon Boat Festival) as a symbol of the future of summer. Because the season of decoration has changed, the image of carp streamers in Japanese people has become "a colorful display in the blue sky of late spring." • True carp: represents dad, black • Scarlet carp: represents mother, red • Young carps: represent children in the family, boys are blue or cyan, girls are pink