With Ver 2.0, you can select the type of waveform.
Also, the sound of waves became possible not only in the background but also during singing.
The sound of the wave fade-in just before the end of the song, and when the next song starts, the sound of the wave fade-out.
You may be completely healed and go to bed while using Nagisa. Please use the sleep timer for such a time.
I have snoozed many times during development.