Check this spoiler thread https://www.novelupdatesforum.com/threads/observing-my-mothers-friends-son-%EC%97%84%EB%A7%88-%EC%B9%9C%EA%B5%AC-%EC%95%84%EB%93%A4-%EA%B4%80%EC%B0%B0%EA%B8%B0.197462/
Thank youu
Check this spoiler thread
https://www.novelupdatesforum.com/threads/observing-my-mothers-friends-son-%EC%97%84%EB%A7%88-%EC%B9%9C%EA%B5%AC-%EC%95%84%EB%93%A4-%EA%B4%80%EC%B0%B0%EA%B8%B0.197462/