Some lines confused me because I couldn't figure out if it was referring to him or the lover. I also couldn't figure out if he's trying to say: (1) he really loves her but can't open up so she's misunderstanding, or (2) he's begun to fall out of love or it's become complicated and she's catching on to it. Maybe it's the point of the lyrics to be ambiguous about it...or maybe I'm just not understanding because my Japanese comprehension is too low. So if anyone could correct me, feel free.
Artist: NICO Touches the Walls
Lyrics/composition: Tatsuya Mitsumura
Album: "Yuuki mo Ai nante nai"
Release Date: 2016/03/16