Artist(s): bloodzmoon
Characters: firefly (honkai: star rail), stelle (honkai: star rail), trailblazer (honkai: star rail)
Media: honkai: star rail, honkai (series)

Danbooru link: https://danbooru.donmai.us/posts/7210445
Source: https://twitter.com/bloodzmoon_/status/1756276977705853201