"Soliloquy") is a pop song by the Japanese duo and idol unit ClariS, written by Kelly.

It was released as the unit's sixteenth single on April 26, 2017, by Sacra Music.

[4][5][6] In June 2017, "Hitorigoto" was certified gold by the Recording Industry Association of Japan (RIAJ) for 100,000 full-track ringtone digital music downloads (Chaku Uta Full).

[A] Some scene show them doing the things normally, like eat a cake, drink a tea, and playing with some miniatures of the nature like a tree, a grass, and a butterfly.

Also, some scene show some miniatures like a rabbit, a cloud, an air balloon, and a horse.