Imouto Ni Kiiteminai To

fukumori daichi, who will be in his 2nd year of high school this spring, has lied that he has a younger sister in order to have a topic of conversation with a girl he has a crush on. just when daichi was about to tell the truth, a mysterious beautiful girl who calls him “onii-chan” appears!daichi is surprised to see his sister who came out of a lie, but an even more startling situation awaits him!b-b-before something happens… he has to ask his sister!