Because the file name is obscure and contains shorthand (like "Frnd"), you should scan it with an antivirus program like Windows Defender before extracting it, especially if it was downloaded from an untrusted source.
The name suggests it is likely a related to one of the following: Robin_Frnd_Bending.7z
It may be a community-created mod or a collection of assets for a game, where "Robin" is a character and "Frnd" (Friend) indicates a specific companion or social mod. Because the file name is obscure and contains
The terms "Robin" and "Bending" are frequently used in the context of 3D modeling and rigging (e.g., character "bending" or skeletal deformation for an avatar named Robin). Robin_Frnd_Bending.7z