Please be My sister in-Law summary: You are reading Please be My sister in-Law manga, one of the most popular manga covering in Webtoons, Shoujo, Drama, Fantasy genres, written by at MangaBuddy, a top manga site to offering for free. Please be My sister in-Law has 3 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add Please be My sister in-Law to your bookmark. "So, here's the thing, how do you feel about my brother?"One day, out of nowhere, a lovely princess suddenly stepped into Claire's life, the unloved, long-suffering author of an unnamed novel!Princess Yulie, who had never even met Claire, unexpectedly proposed a marriage between her and her brother, who was known as the empire's most eligible bachelor.Faced with the stubbornness of the princess, which even the emperor couldn't sway, Claire reluctantly entered into a contract engagement with the second prince."I just want you to go along with this until Princess Yulie gets her fill. In return, I'll make sure you're compensated accordingly."While Claire patiently waits for the contract to end, Prince Raymond draws closer to her."Why is it that you, who are bound by the contract, are still...?""I don't want to let you go. I feel like I want to lock you up and never let you leave"For Claire, who fears both loving and being loved, the love calls from her would-be suitor start pouring in.