約束の指輪「エメラルド」

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh7tcI9994DUwhdhpNhEXE6OWtLVRtChvDI2b-xA0uHoosTRgaDftFuZDaLLVMUgfO0ERuiP19_5nypEbAFBLT_QEemDqhz8uFq89im2Dpkf8xlInFBoVJjHxY9JksGC6xnotB4Zzzq_vczl8Z3lYda1-u_I284bR3E-UASJnyhG2YLi9nobdB968BJqX0/s0/br-Shizuku-約束の指輪「エメラルド」-83300.jpg
It's first appeared in Jewel Gacha, but I still mark it as a Birthday Suit.