|Kimi to Boku no Otoiro|
|Romaji||Kimi to Boku no Otoiro|
|Released||CD Single released in DD4 Volume 5|
Our Tone Colours (キミとボクの音色 Kimi to Boku no Otoiro) is one of the insert songs sung by Millhiore Firianno Biscotti's voice actress, Yue Horie. It was debuted in Episode 11 and Episode 12 of the third season.