Turn A Gundam 'Moonlight Butterfly' HGCC Expansion Set Gets P-Bandai Reissue

The wings recreate the effect of the nanomachine system that disintegrates technology. Image via P-Bandai.
Premium Bandai has announced a reissue of the "Moonlight Butterfly" Expansion Effect Unit for the High Grade Correct Century ∀ Gundam kit. This is a P-Bandai exclusive rerelease, scheduled for 2025, allowing modelers to recreate the iconic weapon system from the 1999 anime series, Turn A Gundam. This product is an accessory set and requires the HGCC 1/144 ∀ Gundam model kit, which is sold separately.
Product Information

The packaging showcases the iconic weapon system of the Turn A Gundam. Image via Gundam Fandom.
Features
The "Moonlight Butterfly" effect wings are made of polyethylene terephthalate (PET). The surface features a multi-color pattern print over which a hologram process is applied to create a variable light reflection. The connection parts that attach to the Mobile Suit's backpack are molded in clear plastic to reduce their visual impact and feature joints that allow the wings' opening and closing angles to be adjusted. The set also includes a milky-white display stand, designed to adjust height and angle for stable flight poses.

Recreate the ultimate weapon system of the ∀ Gundam with this expansion set. Image via P-Bandai.
Kit Contents
To deliver this experience, the expansion set includes:
It is crucial to remember that the HGCC 1/144 ∀ Gundam kit is not included and is essential for using this expansion set.

The set includes a display stand to achieve stable and dynamic poses. Image via P-Bandai.
The Moonlight Butterfly Lore
The "Moonlight Butterfly" is the ultimate weapon system of the System-∀99 ∀ Gundam. Instead of a conventional weapon, it consists of a deployment of nanomachines from the Mobile Suit's backpack. These nanomachines are capable of disintegrating all artificial technology on a planetary scale, reducing it to silica. Within the series' lore, this power is the cause of the "Dark History" (Kuro Rekishi), a civilizational reset event that ends eras of conflict. The weapon's significance is deepened by the contrast with its pilot, Loran Cehack, whose pacifist nature directly opposes the total annihilation capability he controls.

The wing surface has a hologram process for a variable light reflection. Image via P-Bandai.
Assembly Considerations
The base HGCC 1/144 ∀ Gundam kit, released in 2014, is known to have some joints, specifically the wrists and waist, loosen over time. Due to the size and leverage exerted by the expansion set's wings, it is recommended to reinforce these connections before assembly. An effective technique is to apply a thin layer of acrylic varnish or clear enamel to the joint pegs or balls and let it dry completely. This increases friction and ensures the structural stability of the final model.

The transparent connection parts attach to the Mobile Suit's backpack. Image via P-Bandai.

The base HGCC 1/144 ∀ Gundam kit (sold separately) is indispensable. Image via P-Bandai.

The connection joints allow for adjusting the opening and closing angle of the wings. Image via P-Bandai.

The dedicated stand allows recreating scenes from the 1999 anime series. Image via P-Bandai.

Includes a milky-white display stand to achieve stable flight poses. Image via P-Bandai.
This expansion set brings one of the most memorable visuals from Turn A Gundam to the HG line. What are your thoughts on the Moonlight Butterfly effect parts? Let us know in the comments below!
Where to Buy
This article's featured product is a Premium Bandai exclusive. Below are direct links and general affiliate links to popular storefronts. Your purchase directly supports the site.
For this product (USA): Pre-order the HGCC Moonlight Butterfly Expansion directly from Premium Bandai USA.
For this product (Japan): Pre-order the HGCC Moonlight Butterfly Expansion from Premium Bandai Japan. (Note: Accessing the link may require a VPN, and a proxy shipping service is needed for international buyers.)
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Sources
- HGCC 1/144 EXPANSION EFFECT UNIT “MOONLIGHT BUTTERFLY” for ∀ GUNDAM | PREMIUM BANDAI USA (Accessed July 29, 2025)
- HGCC 1/144 ターンエーガンダム用 拡張エフェクトユニット“月光蝶”【2025年7月発送】 | PREMIUM BANDAI Japan (Accessed July 29, 2025)
- System-∀99 ∀ Gundam | Gundam Wiki (Accessed July 29, 2025)
- Additional Pre-orders for 10 GUNPLA... | GUNDAM.INFO (Accessed July 29, 2025)
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