The translation and novel is not mine. The author is Takekuni Kitayama and the illustrator is Rui Komatsuzaki. I found this translation in tumblr from Edogawa Translations. So copyrights to them

DISCLAIMER: Danganronpa, its characters, Kibougamine Academy, and this story do NOT belong to me - they belong to Spike Chunsoft. I also was not the one to translate this from Japanese to English; credit goes out to whoever did. The story revolves around an amnesiac girl named Ryōko Otonashi who is a student at Hope's Peak Academy, and the sharp-tongued Ultimate Neurologist Yasuke Matsuda, with whom she is infatuated. A month after The Tragedy of Hope's Peak Academy, the school is full of unrest and secrets, with many people attempting to find out what truly happened and who is to blame. Despite not wanting any of it, Ryōko is connected to the incident and soon gets caught up in its aftermath, learning more and more about what happened.

COMPLETED. "Look, if you're-" "Shut up." I was taken back at the sudden manner in which he spoke to me. "Let's get something straight Miss Greene, I don't appreciate people talking back at me. And quite frankly, you're crossing your limit with me and my patience with you. So from now on, as long as you're with me you'll do as I say. Understood?" _____________________________________________ Mystery. Romance. Deception. You know what they say, hate is a strong emotion- so is love. You can only hate someone you place in high esteem since you care about what they think. When Juliet Greene secures an internship position at the Empire Heights hotel, and things seem to be finally going her way, a brief encounter causes her life to turn upside down. Getting in the way of the hostile, unfeeling, yet wickedly magnetic billionaire Adrian Vandermir, Julie suddenly gets thrown into a situation that's too much for her to handle. Wanting to have little to do with this and the infuriating Vandermir, she none the less convinces herself that his decisions would be best for her family's own safety. But when things begin to get out of hand, she discovers that she has more to do with the dangerous situation Adrian is involved in than she or anyone else could ever imagine. In the hopes of ending the matter, both must endure each other's company as they take a trip together which reveals unbearable past secrets and irresistible desires. Desires that Julie fears would only deepen her wounds, but somehow heal Adrian's. BONUS CHAPTERS available on my blog (link in my bio)