File:Imaginary Fest X Overlord Collaboration.png

Summary
Description: Key Visual for Toaru Majutsu no Index: Imaginary Fest (Overlord Collaboration)

Source: Toaru Majutsu no Index: Imaginary Fest, Official Website

Purpose: To illustrate the event in question on articles (e.g. Toaru Majutsu no Index: Imaginary Fest)