Welzona 12inch Wedge Pillow for Sleep, Updated Bed Wedge, Acid Reflux, Heartburn, GERD, Neck Pain, Cooling Memory Foam Top, Removable Washable Cover Incline Wedge Pillow for Improved Sleep

I was gonna joke "a life sized one with your waifu on it" but I see you're serious. I've had similar issues. I got this giant wedge memory foam pillow thing from Amazon, some months ago. (getting the link, I see it was actually a year ago...fuck where did the year go). It's seemed to help https://www.amazon.com/dp/B0CQNSYNKN