In the novel, they do it (like really do it) before the brother arrives. It was hot, because the mc enjoyed it for the first time. And they skipped that part. ╥﹏╥
Link for the novel, please, if you have it.
In the novel, they do it (like really do it) before the brother arrives. It was hot, because the mc enjoyed it for the first time. And they skipped that part. ╥﹏╥