Lai (Matsumoto) and Yu (Tanai) are twins who study together in junior high school. My elder brother is a top student and a good athlete, so he is welcomed by girls. The younger sister is gentle and quiet, clever and docile. After Lai's good friend (Ping Jing you Tai) confessed his love to Yu, Lai suddenly became indifferent to Yu, which puzzled Yu: she and her brother had always been affectionate, and Lai wore a grass ring on his hand when she was a child, saying that he wanted to marry himself as his wife. In fact, Lai has been tortured by the love for Yu, no matter how deliberately snubbed, he just can't forget Yu. One night, Lai boldly confessed her love to Yu. Although Yu was dismayed at first, under impulse, she chose to respond to her brother's love, and the two began to taste the sweet and bitter fruits. But where is the way out of this unspeakable forbidden love?
5.5
