MASKING’s prized motorcycle is called “Death Galaxy”, which is written on the fuel tank with a bold calligraphy.
Being a proper lady in a devout Christian school, MASKING hides the fact that she rides a heavyweight motorcycle. When LOCK mentioned about the bike in front of the teacher, MASKING lied that it was the name of a horse in order to maintain her image.
Source: [BanG Dream! 3rd Season] Episode 10 - Vocalists are… Like Stars…