From Mobile Suit Gundam: The Witch from Mercury, the MSJ-105CC Demi Trainer (Chuchu’s Custom) is the mobile suit piloted by Chuatury Panlunch, better known as Chuchu. Unlike prototype or high-end combat machines, the Demi Trainer is a training-oriented mobile suit, customized to reflect Chuchu’s straightforward, no-nonsense fighting style and strong personality.
The HG Chuchu’s Demi Trainer translates this grounded design into 1/144 scale with a build approach focused on simplicity, durability, and articulation. The kit features a reliable joint structure that supports expressive poses while maintaining a compact and sturdy feel. Armor parts are molded with clear separation and minimal reliance on stickers, preserving the Demi Trainer’s industrial and practical aesthetic throughout the build.
What builders tend to appreciate most is how the kit’s character and simplicity come together. The compact proportions make posing intuitive, while the reinforced shoulder and torso design give the model a solid, resilient presence. Combined with a smooth assembly process and a distinctive silhouette that stands apart from typical Gundam designs, the HG Chuchu’s Demi Trainer offers a satisfying High Grade experience rooted in personality and realism.
Included Accessories
Training Rifle ×1
Shield ×1
Interchangeable Hands ×2
Decal Sheet ×1
General Specifications
| Manufacturer | Bandai |
| Kit Grade | High Grade (HG) |
| Model | MSJ-105CC Demi Trainer (Chuchu’s Custom) |
| Anime Appearance | Mobile Suit Gundam: The Witch from Mercury |
| Finished Height | Approx. 12–13 cm |
| Parts Count | Medium |
| Recommended Skill Level ** | Beginner to Intermediate |
| Estimated Build Time * | Approx. 2–3 hours |
| Box Dimensions | Approx. 30 × 19 × 7 cm |
| JAN | 4573102633477 |
Notes
* Estimated build time is based on parts count, kit grade, and in some cases Mecha Universe staff build experience. It is provided as a general reference only and should not be considered an absolute value.
** All kits share the same fundamental assembly principles and difficulty level. However, depending on the number of parts, part size, and overall complexity, some kits may be more comfortable for beginner, intermediate, or advanced modelers. This classification is provided solely as a guidance indicator based on Mecha Universe staff experience. Beginners can start with any kit, including more complex releases.
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