Since you're looking for a "good paper," here is a selection of wallpapers and artistic backgrounds themed around the mood of those lyrics—solitude, night, and romance:
: Deep blue night skies with a glowing crescent moon, capturing the "secret nights" vibe. Sevirem Seni Xelvet Geceler
: Simple silhouettes of couples under a streetlamp or starry sky. Since you're looking for a "good paper," here