Sakura Ai, had her first love on Tokuzawa Taiyou during her elementary years. When the sweet and gentle Tokuzawa-kun transferred to another school causing Ai-chan to have a funny nickname "Granny Ai" when he left, Ai-chan tried to forget about him. But fate never gave up even when she was in high school! While Ai-chan went to her garden of sunflowers by the pool in the school, she found a phone lying on the ground. When she knew that it was Tokuzawa-kun's, she left it on the ground and ran away, knowing that the kind Tokuzawa-kun she used to know during childhood is now a frank tough delinquent, would her love for him bloom again?
Sakura Ai has always loved sunflowers, as they appear like the sun, which incidentally also was the name of her first crush, Taiyou, in the 3rd grade. From since then, Ai has never had another love and has also become quite introverted, but after meeting a guy with the same name, somethings will begin to change…
Ami met Kasshi-senpai when he took a bite out of her choco banana muffin. Since discovering that he likes sweets, she has given him various handmade sweets. But that doesn't stop him from having other girls around.
Yuika and Haru have been dating for a year. Yuika is selfish and likes sweet things, while Haru is amazingly kind. But will Haru end up hating Yuika because of her attitude...