Unlike aggregator sites that slap their own logo on every page, the Xter Repack is 100% clean. It even includes a small "Production Notes" section at the end explaining translation choices.
If you are looking for a specific series where the main trope is a "childhood friend," here are a few popular ones that might match your search intent (often searched with terms like "complete pack" or "repack"): my childhood friend xter comic repack
If "Xter" is a typo for a specific character name, try searching the character name + "wiki" to find the source material. Unlike aggregator sites that slap their own logo
If you find a standard PDF of My Childhood Friend, you have a comic. If you find the Xter Repack, you have an experience. Here is the technical breakdown of what Xter actually did. If "Xter" is a typo for a specific