LINE FRIENDS × Sanrio: Hello Kitty joins Brown’s birthday surprise

SNACK: 3-line summary

  • LINE FRIENDS has unveiled its 15th-anniversary collaboration artwork with Sanrio.
  • The illustrations follow Hello Kitty and friends preparing a surprise birthday party for Brown.
  • A Shibuya pop-up is planned for January 2027, with exact dates and the product lineup still to come.

LINE FRIENDS’ 15th-anniversary collaboration with Sanrio has its first artwork: a birthday surprise for Brown, with Hello Kitty and friends in on the preparations. A pop-up is planned for January 2027 in Shibuya, Tokyo.

Birthday illustration of Brown, Hello Kitty and friends gathered around a Brown-face cake against pink gingham, with balloons and anniversary lettering. Art: LINE FRIENDS / Sanrio.
Brown’s birthday key visual, featuring Hello Kitty and friends around a Brown-face cake. Official illustration: LINE FRIENDS / Sanrio.

Snackgirls react

Kirari: The matching outfits and colorful bunting have me imagining a whole group-photo setup. The Brown-face cake has to make it into the frame, too!

Nea: I’m rather fond of Brown joining his own cake preparations. I’d like to linger over that kitchen scene—the forgotten surprise is part of its charm.

Secret shopping while Hello Kitty keeps Brown company

The illustrated story begins with Hello Kitty and Brown having tea while their friends secretly shop for his birthday. A flower shop, fruit stall and coffee kiosk fill the street scene, where characters carry flowers, balloons and treats as the preparations get underway.

Shopping-street illustration with LINE FRIENDS and Sanrio characters among a flower shop, fruit stall, coffee kiosk and birthday balloons. Art: LINE FRIENDS / Sanrio.
Friends shop for Brown’s birthday in a street lined with flowers, fruit and coffee. Official illustration: LINE FRIENDS / Sanrio.

Brown helps with his own surprise

Keeping the celebration secret gets a little harder in the kitchen. Everyone gathers to prepare a special cake, but Brown joins in too—and they seem to forget that this was supposed to be a surprise.

Mixing bowls, strawberries and baking tools surround a Brown-shaped cake in the busy kitchen illustration. The preparations also include taking measurements for matching party outfits.

Kitchen illustration of Brown, Hello Kitty and friends preparing a Brown-shaped cake amid mixing bowls, strawberries and baking tools. Art: LINE FRIENDS / Sanrio.
The shared kitchen scene, where Brown joins the preparations for his own birthday cake. Official illustration: LINE FRIENDS / Sanrio.

Matching outfits beneath the bunting

The finished party brings everyone together outdoors in matching outfits, beneath trees and colorful bunting. A Brown-face birthday cake sits on the long table, while Pochacco holds a camera and Cinnamoroll sits on a swing—small details to linger over around the main celebration.

Outdoor birthday-party illustration with matching outfits, a Brown-face cake, colorful bunting, Pochacco holding a camera and Cinnamoroll on a swing. Art: LINE FRIENDS / Sanrio.
The completed birthday party, with matching outfits and a cake-filled table beneath the bunting. Official illustration: LINE FRIENDS / Sanrio.

A Shibuya pop-up is planned for January 2027

The planned venue is LINE FRIENDS SQUARE SHIBUYA, at 1-19-10 Jinnan, Shibuya-ku, Tokyo. The collaboration is also planned for other distribution channels.

For anyone considering a visit, exact opening and closing dates and entry arrangements have not yet been announced. Further pop-up details and the product lineup will be revealed later.

Sources and checked date: October 17, 2026 (JST)

Related hashtags

#LINEFRIENDS #Sanrio #HelloKitty #Brown #Shibuya

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