"Kimi ni Aitaku Naru Kara" (君に会いたくなるから, Because I've Grown to Miss You) is the sixth single released by Japanese pop and R&B singer-songwriter Kana Nishino.

"Kimi ni Aitaku Naru Kara" was well received by music critics, who complimented Nishino's vocal performance and the song's production.

[1] Musically, "Kimi ni Aitaku Naru Kara" is a highly melancholy electro-pop with a flamboyant keyboard arrangement.

"[10][11] Tower Records stated: "The lyric 'Don't be kind to me, I'll miss you...' and the voice that reaches straight to your heart will heal your pain of true heartbreak.

[15] Digitally, "Kimi ni Aitaku Naru Kara" was a success in Japan, becoming her biggest-selling single to that point.

[17] "Kimi ni Aitaku Naru Kara" was eventually certified double platinum by the Recording Industry Association of Japan (RIAJ) for both ringtone and full-length downloads of over 500,000 copies.