The developer, credited only as "Mokuzai Soft" (Wooden Software), was a one-person indie studio based in Sapporo. Their signature style was crude, mouse-drawn vector art combined with surprisingly sophisticated object physics. While most shareware focused on shoot-'em-ups or puzzle games, Mokuzai Soft aimed for what they called "iikagen simulation" (loosely translated: "comfortably sloppy simulation").
These terms strongly suggest indie digital art, doujinshi, fan-made animations, or niche community content. "Tamashii" translates to "soul" or "spirit" in Japanese, while "Nukunuku" implies warmth or coziness. -Freehand Tamashii- Nukunuku Kachan-.zip 4
This is the specific title of the art series or character collection. "Nukunuku" is a Japanese onomatopoeia meaning cozy, warm, or comfortable, suggesting the thematic tone of the artwork or assets contained within. The developer, credited only as "Mokuzai Soft" (Wooden