A piano performance cover of a famous Reiwa song that was a hit as a drama theme song.Please use it as BGM for work/work/study, or as BGM to listen to while sleeping.Piano Piano performance Sleep Deep sleep Sleep Healing Relaxation BGM For work Famous song Autonomic nerve adjustment Serotonin Alpha waves Rest Rest Peace Concentration Study Cafe Kenshi Yonezu Spitz King Gnu Aimyon Uru Yuri Da-iCE