Otona No Hajimete

Twenty-five-year-old Masumi is convinced she has a curse where no man in this world can fall for her. She has no love radar and has no boyfriend, let alone a husband…and even at 25, she’s still a virgin! This all came about as a result of something her first boyfriend told her in high school.
That’s when an impatient Masumi meets a man named Takato at her workplace. He’s single and she knows him, so she feels at ease. She tries to sleep with him, but he gets angry at her request, and instead, they end up dating?! Her obliviousness just ends up irritating him, but what will come of the love between Masumi, who wants to sleep with someone she only so-so likes, and Takato, who wants her to actively be interested in him?!