Natsuo es un chico de preparatoria que está perdidamente enamorado de su alegre y popular maestra llamada Hina. Sin embargo, un día en una reunión conoce a una chica malhumorada llamada Rui y termina durmiendo con ella. Poco después, el padre de Natsuo le dice que se casará de nuevo con una mujer que tiene 2 hijas, para sorpresa de Natsuo las hijas resultan ser Hina y Rui.
Anime related to a boy who falls in love with his teacher and that in the end he eventually discovers that he is her brother and does not cease to love her. But there is a love dispute.... (Recommend)
Anime related to detectives because the main character is a very unmotivated being and is not attracted to such things. It is he as time goes by he is interested in every mystery that arises (I recommend)