The Arknights: Endfield × Happy Lemon collaboration will officially begin on May 13, 2026, at participating Happy Lemon locations across the United States.
Event Duration
May 13, 2026 (Wed.) – June 14, 2026 (Sun.)
Event Locations
Participating Happy Lemon stores in the United States
Event Details
1. The collaboration will be available in the U.S. from May 13 to June 14, 2026.
2. Purchase a designated collaboration combo set to receive exclusive merchandise and in-game rewards.
3. Two collaboration sets will be available:
- Operator Set (Single Drink Set)
- (1) Random Character Coaster
- (1) In-Game Reward Code Postcard
- (1) Paper Bag
- (1) Collaboration Cup Sleeve
- Squad Set (Double Drink Set)
- (2) Random Character Coasters
- (1) Random Character Clear Card
- (1) In-Game Reward Code Postcard
- (1) Paper Bag
- (1) Character Sticker Sheet
- (2) Collaboration Cup Sleeves
4. Happy Lemon Convoy (San Diego) will feature a special themed fan event during the collaboration period:
- May 23, 2PM – 4PM (Local Time)
Attendees can participate in special on-site activities, themed experiences, and reward opportunities available during the event.
Additional Information
- Collaboration items and bonuses are available while supplies last.
- Redemption codes can be used once per game account.
- Store participation and product availability may vary by location
- For more information and participating locations, please visit: