Wow. First Chapter and my mind is blown. If you don't like incest or anything lie that. This is not for you. Woman are scarce/rare but being engaged with your sibling is a big no for me. Like ew, bro.
Also, she's a woman in the modern world and yet she's viewing this like she's a child tht didn't know any modern morals and taboo is.
You may feel your favorite manga should be gathered together into distinct categories for your own reference and, now, you can do this with a LIST. After you've created your list or lists, you can proudly recommend them to other manga fans to showcase and share your taste in manga.
Seishun X Kikanjuu