I NEED HELP

I need help looking for a webtoon it's a bl webtoon about this blond guy trying to survive by sleeping around with other guys and what I remember about his past is that he got r@ped because he asked his mother's "boyfriend" what he does to her and he ended up tell him he did a good job and gave him money and the reason his mom does that is to get money and another random fact that I'm pretty sure is from the same story is that they brought up the story Castle swimmer (another webtoon) that's all I remember pls help me ╥﹏╥