Itsuka, Nemuri Ni Tsuku Hi (STARTS PUBLISHING Bunko)

[Machine Translation] Hotaru, a junior in high school, is killed in a traffic accident during a school trip. Her guide, Kuro, appears and tells her that she cannot attain Buddhahood unless she resolves three of her unfulfilled regrets in this world. Hotaru realizes that one of her unfulfilled regrets is to confess her love to Ren, whom she has had a crush on for the past five years. However, she is unable to express her feelings in front of Ren... What is the secret that lies beyond Hotaru's determination? The unexpected ending will bring warm tears to your eyes.

高2の女の子・蛍は修学旅行の途中、交通事故に遭い、命を落としてしまう。そして、案内人・クロが現れ、この世に残した未練を3つ解消しなければ、成仏できないと蛍に告げる。蛍は、未練のひとつが5年間片想いしている蓮に告白することだと気づいていた。だが、蓮を前にしてどうしても想いを伝えられない...。蛍の決心の先にあった秘密とは?予想外のラストに、温かい涙が流れる―。