Even Though I Don't Know Him Well

Isaac was kicked out of his girlfriend's house on a cold night and had nowhere to go. Her brother appeared in front of him and now Isaac's going to live with him?! [Original Webtoon (All-age Ver)](https://www.bookcube.com/toon/detail.asp?webtoon_num=190106) [Original Webtoon (No-cut Ver)](https://www.bookcube.com/toon/detail.asp?webtoon_num=190098) [Official Japanese Translation](https://www.comico.jp/articleList.nhn?titleNo=30829) [Original Novel](https://ridibooks.com/v2/Detail?id=120033853)