After hitting her head particularly hard one day, Duke Claes' daughter, Katarina, suddenly recalls all the memories of her past life: that of a teenage Japanese girl. Just before her untimely death, this girl recalls playing an otome game... that is exactly like the world she's living in now! She is now Katarina Claes, the antagonist of the otome game, who nastily hounded the protagonist until the end. Knowing all the possible outcomes of the game, she realizes that every single possible route ends with Katarina being murdered or exiled! In order to avoid these Catastrophic Bad Ends, she has to use her knowledge of the game and her own wiles, starting with breaking off this engagement with the prince... Will Katarina survive while making her way through this world, where bad flags trip at every turn? Find out in this reverse-harem rom-com, led by everybody's favorite villainess! (Source: J-Novel Club)

At the age of eight, Katarina, a girl of noble birth in another world, has an accident that unlocks her memories–of playing an otome game that’s exactly like the life she’s living now. There’s one problem: she realizes that she’s playing the role of the villainess, and only bad endings await her! What will it take for her to “break the game” and live a happy life? (Source: Seven Seas Entertainment)

What if, when Katarina Claes was reincarnated in the dating sim from the original series, she didn’t regain the memories of her past life until she was fifteen? With less than a year to go before her destruction, Katarina must find a way to avoid all possible bad endings! (Source: Seven Seas Entertainment) *Note: Includes 2 extra chapters.*

An anthology comic of Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta... by various mangaka.

An official collaboration between the studios behind Hamefura and Arte, released on Twitter.

A collection of 14 short stories by various mangaka, centered around the hit series I Reincarnated into an Otome Game as a Villainess with Only Destruction Flags… Volume1 1. **Super Farmer Recommendations** by Sakurai Yukke 2. **Gerald’s Melancholy** by Ameno 3. **That Other Day with My Nee-San and I** by Majiko 4. **A Nostalgic Taste** by Yoshimura Yoshi 5. **The Fluttering Palpitations Won’t Stop!** by Katsura Ichiho 6. **Bittersweet Time** by Kakitsubata Kawa 7. **An Awkward Flower** by Touya Tsugumi 8. **The Capture Targets’ Meeting for Conquest** by Takahara Yu 9. **Blessed Field** by Sutoroma 10. **Keith’s Ordeals** by Regu 95 11. **The Story Behind Each Present** by ichinomi 12. **Preventing a Date at All Costs** by Hayasereku 13. **Happy flag** by Mochizuki Kazuomi 14. **Katarina-sama Wants to Eat the Food She Dreamt About** by Sayu Volume 2 1. **The Dazzling Nobles' King's Game** by Sakurai Yukke 2. **I Want to See Her Smile** by Cocoa 3. **Precious Treasure** by Uimu 4. **Twinning with Lady Katarina** by Nagao Uka 5. **Jealousy Battle!!** by Suzuka 6. **Cute and cool** by Bimita 7. **Wild Fantasies, The Doggy Countermeasure!** Mochizuki Kazuomi 8. **Pajama Party** by Onigiri 9. **I Want Lady Katarina to Choose Me!!** by Shiraume Nazuna 10. **An Unconscious Etude** by Majiko 11. **Rose-colored** by Sakamoto Bin 12. **I Want You to Look My Way** by Kitano Ririo 13. **The Second Graduation Ceremony Event!** by Hayase Reku 14. **Geordo Feigns Illness** by Yukiya Tomoki 15. **What if I say ""?** by Kakitsubaka Waka

Collections of one-shots that won the monthly Hop Step Award from 1987 to 1996.