Song: Asu e no Tobira (The Door to Tomorrow)
Artist: I Wish
Lyrics: ai
Composer: ai
Arranged by: nao and Ozawa Jun
Anime: ReLIFE
English translation done by mixing the translation from animelyrics.com, the one from lyricstranslate.com, and my own personal touch.
https://www.animelyrics.com/jpop/iwish/asuenotobira.htm
https://lyricstranslate.com/en/I-Wish-I-Wish.html
Full resolution image (Screenshot from the anime):