Large Japanese e-commerce sites like FANZA (formerly DMM) often list detailed specifications and trailers for these IDs.
Based on the title and character name provided, appears to be a niche adult-oriented media title released around March 2024 by the publisher Prestige . Yumino Rimu - My Childhood Friend Has ROYD-155 ...
There is also a radical patience that grows out of these years. Friends practice watching someone they love change, not as a failure but as a process that demands witness. Being there—reliable, inventive, and undramatic—becomes the primary ethic. Large Japanese e-commerce sites like FANZA (formerly DMM)
However, if you are looking for a structural breakdown or summary of the themes often found in this specific genre (the "childhood friend" and "illness" tropes), here is a contextual overview: Plot Overview and Structure The Premise and undramatic—becomes the primary ethic. However