Domestic na Kanojo  

domekano, Domestic Girlfriend, 도메스틱한 그녀, ドメスティックな彼女, 家有女友, Dome x Kano, บทเรียนรักเส้นทางหัวใจ

During their teenage years, people may experience great pain from unrequited love, such as what natsuo fujii felt when he fell in love with hina, his school's cheerful teacher. despite this, natsuo attended a mixer and met rui, who was just as unenthused about relationships as he was. after bonding over their shared awkwardness, rui asked natsuo to have sex with her in the hopes of ending her friends' teasing. although hesitant, natsuo agreed, but both were left unsatisfied by their "first times." eventually, they decided to part ways as strangers. however, natsuo was shocked when his father revealed that he would be getting remarried and bringing over tsukiko tachibana, the woman who had been hina's mother, to meet him. to make matters worse, her daughters were also hina and rui tachibana, the girl with whom natsuo shared his first night. now, natsuo must confront the complex feelings he has for his new step-sisters as he comes to terms with a darker side of love.