“We are step-siblings, so we can get married and do all kinds of naughty stuff you know?”

The protagonist has had a stepsister, Yumi Ichiiri, one year younger than him, since a year ago.

Although he referred to her as his stepsister, he had always treated her as his little sister… or so he thought.

One day, after he enters his second year of high school, she confesses to him that she wants to marry him.

Shocked by this revelation, he confides in his female friend, Kaori Mishizuku, about his dilemma.

From that moment on, he finds himself unable to avoid interacting with his stepsister, whom he had been avoiding ever since she expressed her desire to marry him.

What will happen next?

ore no taipu sugiru bijin gimai ga " kekkon shitai " to mainichi semattekiteite totemo komatteiru 〜 gimai ga imōtodearu koto o riyō shite , sukihōdai yūwaku shitekuru ndaga!?〜
俺のタイプ過ぎる美人義妹が「結婚したい」と毎日迫ってきていてとても困っている〜義妹が妹であることを利用して、好き放題誘惑してくるんだが！？〜

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