Free 幾億光年 ringtone for your phone. Listen first, then download the version you like. The song is performed by Omoinotake. 6 versions are available, from 39 to 55 seconds. More ringtones in the same style are under the tags pop. Two formats are available: .MP3 for Android and other phones and .M4R for iPhone. All ringtones by Omoinotake are collected on the artist page.