MERCURYDUO Brings a Caped Hogwarts Blazer to Japan With Its First ‘Harry Potter’ Collection
Robes have never looked quite this runway-ready. MERCURYDUO, the Tokyo women’s-wear label under the MARK STYLER group, has unveiled its first-ever Harry Potter collection — a small, deliberately grown-up capsule that swaps house scarves for sharp tailoring and sheer organza, timed to the 25th anniversary of the first film.
It’s an officially licensed line (the pieces carry the © & ™ WBEI mark), and it leans into subtle magic rather than costume: the Hogwarts crest shows up as embroidery and foil print, and the Hogwarts acceptance letter becomes a bag motif. Four pieces make up the debut — two dresses and two bags — rolling out on a staggered schedule.



MERCURYDUO × Harry Potter (© & ™ WBEI)
The release schedule
- August 3 — Product details revealed on RUNWAYchannel
- August 7, 12:00 JST — Pre-orders open on RUNWAYchannel and ZOZOTOWN
- August 19 — In stores nationwide across Japan
What’s in the collection
Jacket-Robe Mini Dress — ¥19,800 (tax incl., roughly $130)
The showpiece: a pinstriped, cape-backed tailored dress with the Hogwarts crest embroidered at the chest — a modern read on a school robe.

Logo-Print Cape Cami Dress — ¥19,800 (tax incl., roughly $130)
A flowing cami-style dress with a caped shoulder and an all-over logo print, in a deep berry tone.

Triple Shoulder Bag — ¥12,100 (tax incl., roughly $80)
Built around the Hogwarts acceptance-letter and crest motifs, with a little detachable pouch sized for a lip or a pen — the everyday-carry piece of the set.

Logo-Print Drawstring Gather Bag — ¥10,450 (tax incl., roughly $70)
A sheer black organza drawstring bag with an original foil-print crest that glows through the fabric, evoking a Hogwarts student’s own belongings.
Getting it outside Japan
This is a Japan-only release, but it isn’t out of reach. RUNWAYchannel supports overseas checkout through its built-in WorldShopping service, which handles international payment and forwarding right from the product page. ZOZOTOWN orders can be routed through a proxy such as Buyee or ZenMarket, which give you a Japanese address and reship worldwide. If you’d rather wait it out, following @mercuryduo_com is the fastest way to catch restocks or any expansion of the line.

MERCURYDUO × Harry Potter (© & ™ WBEI)
Will you be dressing your inner Hogwarts student, or holding out for a bag? Let us know in the comments, and don’t forget to follow along for more Harry Potter news.
Source: RUNWAYchannel
