Konyaku Haki kara Hajimaru Akuyaku Reijou no Kangoku Slow Life  

Bad Young Woman's Slow Life in Prison Start From Disengagement, The Villainess' Slow Prison Life Began With Her Broken Engagement, 婚約破棄から始まる悪役令嬢の監獄スローライフ, Prison Life is Easy for a Villainess, The Villainous Noble Womans Slow Prison Life Began with Her Broken Engagement, Slow Prison Life, Slow Life of a Young Lady in Prison

Rachel Fergusen, the epitome of noblewomen, was falsely accused of harassment by her fiancé, Crown Prince Elliot. Despite this, she found herself in a luxurious cell that she had planned and organized beforehand. Her cell contained top-notch food, comfortable furniture, and no one could enter to take them away. Rachel took advantage of her situation by throwing a party in her cell and going out for a stroll. No matter what Elliot or his allies tried to do to ruin her day, Rachel was always prepared and enjoyed her carefree life in prison.

Konyaku Haki kara Hajimeru Akuyaku Reijou no Kangoku Slow Life began as a web novel on Shousetsuka ni Narou on April 29, 2018, and finished with 31 web chapters on May 29, 2018. Kadokawa released an expanded and illustrated version of the series on January 18, 2019.The series has been published digitally in English as Prison Life is Easy for a Villainess by J-Novel Club since February 23, 2022.