This specific release is part of 1pondo's "All-You-Can-Eat" or "Multiple Performer" series where two or more popular models appear together.
The key, Rimu explained, was not just any key. It was said to unlock not physical doors, but the doors to one's imagination and creativity. From that day on, Misaki and Rimu shared many more adventures, solving mysteries and unlocking the potential within themselves and those around them. 1pon062610 865 rimu endo misaki ueno11 link
They followed the first X at dawn. The alley smelled of rain and memory. Behind a loose brick they found a tin box containing a folded note and an old cassette labeled "865." The note read: "If you find this, you’re close. Look for the oak with three scars. — A." This specific release is part of 1pondo's "All-You-Can-Eat"