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|Dangan Ronpa Kirigiri|
|Romaji Name||Danganronpa Kirigiri|
|Release Date||September 13, 2013|
Dangan Ronpa Kirigiri (ダンガンロンパ霧切) is a side novel written by Takekuni Kitauyama which is based around Kyouko Kirigiri and her past. The novel was released on September 13, 2013 and was published by Seikaisha along with illustrations by Rui Komatsuzaki. 
Publishing company Seikaisha announced the novel on June 3 2013.
Sirius Astronomical Observatory Murder Case 1Edit
A young girl awakes on the ground with tears streaming down her face and her right arm handcuffed to a bed. She doesn't remember if she is crying because of a sad incident or because of 'that' dream. She tries to gather her thoughts and remembers that she arrived with 4 other detectives at Sirius Astronomical Observatory to meet a client. A sign that read “Welcome to Delightful Sirius Astronomical Observatory” is crossed out to read “Welcome to Despair Sirius Astronomical Observatory.”
She gradually remembers that her name is Yui Samidare, and that she and the other detectives must have been tricked as the client never showed up, but instead, they ended up in this situation. Samidare frees herself by lifting the bed a little and releasing the chain and goes to examine her surroundings. She spots Kyouko Kirigiri lying unconscious on the ground next to blood-stained hedge clippers and hesitates to go near her.
Samidare finds the other detectives lying on beds; decapitated with their bodies switched around. With a heavy snowstorm outside to prevent anyone from getting in or out, and the fact that only she and Kirigiri are alive, Samidare suspects the unconscious girl of killing them. Her suspicions deepen when she spots the key for Samidare's handcuffs in Kirigiri's grip.
Kirigiri awakens at the sound of the handcuffs click, and after spotting the clippers, slowly reaches out for them. Samidare quickly handcuffs Kirigiri's left hand to a chair, afraid of what Kirigiri would do with the clippers and confronts Kirigiri on her suspicions of her being the murderer. Kirigiri denies killing anyone and begins recalling of what she remembers from before the current situation: All five of them were alive and chatting in the hall when a white smoke fills the room. Everyone apart from Kirigiri drops to the ground unconscious, and she quickly pretends to be knocked out to see how the events proceed. However, the murderer comes up behind Kirigiri and places a cloth drenched in a chemical to make sure she was knocked out for sure. Kirigiri recalls how she gripped the culprit's hand before blacking out, which was a mans hand, and concludes that Samidare being the murderer was out of the question.
Samidare then ties Kirigiri's other hand to the chair with her hair ribbon and continues to investigate her surroundings to make sure no one else apart from her and Kirigiri were in the room.
Samidare thinks through the details of the murder and how they resemble a black letter which was delivered to her a few days ago. Kirigiri asks to read it, which Samidare complies with, and announces that this wasn't a normal murder scene, but instead, they were pawns in a game.