To make the look exactly as the author intended, you cannot simply drop the .jslot file into your folder. You need a specific ecosystem of mods. Below is the standard requirement list (always check the mod page for updates, as authors occasionally change dependencies).
The is a custom character preset file designed for use with the RaceMenu mod in The Elder Scrolls V: Skyrim (including Special Edition and Anniversary Edition). Named after the Japanese word for "swallow" (燕), the preset captures a distinct aesthetic: sharp, elven features mixed with a subtle, dangerous elegance. Enju is not a "supermodel" preset filled with unrealistic proportions; instead, it portrays a grounded, agile, and intelligent character perfect for a nightblade, ranger, or arcane assassin.
The is a character customization file for The Elder Scrolls V: Skyrim that allows players to instantly apply a specific, pre-designed look to their character using the RaceMenu mod. What is a RaceMenu Preset?