Because this is a custom-created character mod, it is often hosted on community-driven platforms and developer-specific sites rather than just the standard Nexus Mods page:
The second half of your query—"sui cong an bu lai er" (随从安布莱尔)—is the Chinese translation for "," which is often used on international modding sites and forums like Skyrim-Guild. The Character: Who is Umbrael? umbrael follower v100 sui cong an bu lai er link
The "v100" or v1.00 release is the standard standalone version of the follower. Because this is a custom-created character mod, it