hk416 (moonlit devotion) (girls' frontline)
An alternate costume for Girls' Frontline's HK416, appearing first on the cover of the Japanese-exclusive Dolls' Frontline Official Skin Collection artbook from 2020. Illustrated by Imoko, it is a concept design for what HK416's wedding dress skin might look like. It never received an official release as a skin, but it did receive a release as a figurine, which granted the dress its name (以月伝心).
HK416 wouldn't get an official wedding dress skin until 2024, in the form of Transparent Blue.