Detailed "pieces" usually include custom clothing sets. Given the "YT" (YouTube) or specific "RU" (Russian creator) tags, it may be a recreation of a specific internet personality or a high-effort original character.
Based on the naming convention typically used in the game's modding and character-sharing communities (like the Koikatsu Sunshine/Party Discord or IllusionSoft subreddits), Likely Contents KK_(RU)_YT_Girl_015-Lesbian.rar
To view or use this "piece" properly, you would generally need: The base game. Detailed "pieces" usually include custom clothing sets
Essential modding frameworks used to load the custom assets contained in the archive. KK_(RU)_YT_Girl_015-Lesbian.rar
