*The original phrase was 背中を押す, literally ‘pushing [my] back’ but figuratively, it means that she is asking for a hint or a sign from him to settle her confused feelings.
Lyrics and composition by Fujita Maiko, arrangement by Steve Good.
Trivia: From an interview, she mentioned that Tomadoi took 12 to 13 takes while she usually record about 8 takes. “The director was completely exhausted (laughs)”, she says.
Requested from winterlonging and reposted here.