Ano Natsu, Yume No Owari De Koi Wo Shita. (STARTS PUBLISHING Bunko) [Light Novel]

[Machine Translation] Toru has kept away from happiness since his sister's death, and has stuck to choices that he does not regret. However, his life changes drastically when he unintentionally spills a word that is out of character for him. His days with Sakiaoi, the woman he confessed his love to, were filled with happiness. Toru feels guilty about his sister, but he is changing thanks to her... What would you do if I told you that there is a time limit in this world? What is the answer Toru gives when he learns the truth and faces the ultimate choice? What is the answer Toru gives when he learns the truth and faces the ultimate choice?

妹の死から幸せを遠ざけ、後悔しない選択にこだわってきた透。しかし思わずこぼれた自分らしくない一言で、そんな人生が一変する。「一目惚れ、しました」告白の相手・咲葵との日々は、幸せに満ちていた。妹への罪悪感を抱えつつ、彼女のおかげで変わっていく透だったが...。「―もしも、この世界にタイムリミットがあるって言ったら、どうする?」真実を知るとき、究極の選択を前に透が出す答えとは...?後悔を抱える2人の、儚くも美しい、ひと夏の恋―。