Watashi dake ga Miyaji Miyuki wo Aishiteiru

When Miyuki Miyaji (16) was in elementary school, she told various girls she'd marry them when she grew up, and afterwards transferred schools. A few years later, she returned to her hometown and entered high school, where as many as three girls to whom she had previously confessed are hounding her to have a relationship...

(Source: Takeshobo, translated)