Kimi Wo Ushinaitakunai Boku to, Boku No Shiawase Wo Negau Kimi (Dengeki Bunko) [Light Novel]

[Machine Translation] I want you to be happy. So, it can't be me. The day I finally told my beloved childhood friend that I was finally aware of my love, she answered. I am destined to be in a vegetative state in three years. That is why I want you to be happy with someone other than me. In order to change my destiny, I took the chance of time leap. However, it was a cruel ordeal, as every time I failed, the memories of all the pain would come back to her. The bitter endings are repeated over and over again, but I still can't give up on my sad love.... I'm sorry, Ichiyo. I'll save you as many times as I have to, as long as you stay by my side.

「私は、そうちゃんに、幸せになってほしいの。だから、私じゃ駄目」高校一年の夏。ようやく自覚した恋心を告げた日、最愛の幼馴染はそう答えた。自分は3年後には植物状態になる運命だ。だから俺には自分以外の誰かと幸せになってほしいのだと。運命を変えるため、タイムリープというチャンスを手に入れた俺。けれど、それは失敗の度に彼女にすべての痛みの記憶が蘇るという、あまりに残酷な試練で。何度も苦い結末を繰り返す中、それでも諦められない切ない恋の行方は―。ごめんな、一陽。お前が隣にいてくれるなら、俺は何度だってお前を助けるよ。