>>56809656I'm probably cheating a little because he sang it during his 3D debut but it's the first song that came to mind when I read your post.
https://youtu.be/FAciMNsoquM?si=UgUsTG3Jqnz7vQJ9It's a simple love song that suits him perfectly. There's just something incredibly meaningful about him singing a straightforward love song as someone who revealed himself to love strongly (though sadly I don't remember the source for that.) It kind of became his "image song" in my head.