Hatsukoi Suisei (Media Works Bunko) [Light Novel]

[Machine Translation] One night, Yuzuki Osaka and her childhood friend Sayuki help Hoshinokan Maihara, who was about to commit a serious crime. She begins to stay at Sayuki's house, and Yuzuki is soon attracted to her as if guided by her. One year later. Hoshinohana moves out, and the three make a firm promise to watch the next comet together. However, Hoshinokano and Sayuki have a sad secret that they can never reveal to Yuzuki... This is a youth romance mystery of "Hoshi", a story of delicately drawn, crazy misunderstandings.

ある夜、逢坂柚希は幼馴染の紗雪と共に、重大な罪を犯そうとしていた舞原星乃叶を助ける。彼女は紗雪の家で居候を始め、やがて、導かれるように柚希に惹かれていった。それから一年。星乃叶が引っ越すことになり、次の彗星を一緒に見ようと、固い約束を三人は交わす。しかし、星乃叶と紗雪には、決して柚希に明かすことが出来ない哀しい秘密があって…。精緻な構成で描かれた、狂おしいまでのすれ違いが引き起こす、『星』の青春恋愛ミステリー。