Manatsu is a highly enthusiastic and driven 1st year middle school student who recently relocated from minamino island to aozora city. she tends to act impulsively without fully considering the consequences, often declaring "i'll just do what's important right now!" despite this, manatsu holds her mother's lipstick as her most cherished possession. her signature phrase is "it's tropical~!". when she transforms into cure summer, her distinctive feature is her captivating lips.