I find that falling asleep while listening to Touhou music a

>>15659273
Navigation il Mare is fantastic. when I listened to interlude the first time years ago I teared up, it reminded me my childhood years in that small town on the sea.

Floating Cloud is super comfy
https://youtu.be/7ZMlWz8uZrU

>>15659273
The fact you linked Navigation il Mare already makes Foxtail Grass Studio, Mikan Box and Forest306 all relevant, they are kind of the main kings of comfy music so I don't think I need to mention them again.

Sakana Nakasako of Ringing Volcano and formerly Machikado Mapoze needs a mention, they make flawless acoustic arrangements which combine a large array of classical styles for a really light sound. They have their own Booth shop and multiple outlets so it's very easy to buy.
https://youtu.be/sEcrZH_iUos
https://youtu.be/aU7O_EEqXmU

Bellwo of ジャージと愉快な仲間たち is a artist I rarely see mentioned who specializes in a very Latin American folk sound and has worked in the past with forest306.
https://youtu.be/yA5EqnIXjrY

One of my favourite circles ever who sadly no longer exist, miskyworks make some very soothing ambient music.
https://youtu.be/g3oileh-Mhk

flap+frog

https://www.youtube.com/watch?v=xbhJMWGVCmg

https://www.youtube.com/watch?v=UhJsB25w0zg

https://www.youtube.com/watch?v=_ttBHymwZLQ

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>>15659273
The new xi-on album coming out in two days seems to be in the same vein as Fuusai Senritsu, but with IN.