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. ╥﹏╥
I READ THE RAWS AND THIS SEASON IS GOING TO END. IM NOT SATISFIED WITH THE FRICKING ENDING, WHY MAKE US SUFFER FOR 4 MONTHS, LIKE?!!! ヽ(`Д´)ノ I WANT THEM TO BE HAPPY ALREADY
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.