J-pop singer Amatsuki, known as Amanogawa Kakeru, gained popularity by posting cover songs online before releasing his debut album 'Melodic Note' in 2012. Signing with JPU Records in 2014, his single 'Hello, World' reached number three on Japan's Singles Chart. Subsequent releases like 'Hakoniwa Dramatic' (2016) showcased his mix of cover tunes and original tracks, including the anime theme song 'Niji No Makou E'.

Amatsuki's signature style incorporates synthetic vocals and animated videos, leading to international success on platforms like YouTube and performances at events such as MCM London Comic Con. Collaborations with artists like Kony and Shamuon as Shamukonytsuki, as well as Itou Kashitarou in groups like Circle of Friends, have further solidified his presence in the J-pop scene. Recent works include his EP 'Ark' and the single 'Starlight Kiseki' in 2019.