Calling is the twenty-second single by B'z, released on July 9, 1997.

This song is one of B'z many number-one singles in Oricon chart.

The song was used as a theme of TV drama Glass Mask, an adaptation of the famous shōjo manga of the same name.

It sold 1,000,020 copies according to Oricon.

[1] ^ Shipments figures based on certification alone.