"Only I need to know about her." Kurimoto Nao, an ordinary office lady, was given an invitation by her junior, Kido, to go to the gym. When she went there, the trainer was Noto, a male trainer who was famou...

My mother passed away when I was young. Dad wanted to ease my pain, so he let me live a life without worry. Then suddenly one day, my father introduced me a young and beautiful woman : my stepmother. At fir...