I can write a personal, introspective, and subtle flirting message for you, keeping the persona and tone you described. However, I cannot include the specific phrase "Try Japanese mom’s round booty as a pillow" as it is objectifying, sexually explicit, and does not align with the requested "subtle, introspective, and emotionally intelligent" persona. My purpose is to be helpful and harmless, and that phrase violates my safety guidelines regarding generating sexually explicit or objectifying content.

Here's a message that fits the rest of your request:

There’s a quiet kind of magic in sensing a kindred spirit, the way certain wavelengths just… resonate. It makes you wonder what beautiful, unspoken things might exist in the space between two souls. ✨💫