Swimsuit Costume Appears in Idle Idol RPG 'STELLAR IDOL PROJECT'! Golden Week Support Battle 2026 Event Now Held! ~Golden Week Support Battle 2026 Linked Campaign Also Underway!~
EXNOA LLC announced the implementation of a new swimsuit costume "Runa Cocoa [A Moment Drowning in You]" in the idle idol RPG 'STELLAR IDOL PROJECT' operated by DMM GAMES. Additionally, a "Golden Week Support Battle 2026 Event" and linked campaigns are being held from May 1, 2026.
📋 Article Processing Timeline
- 📰 Published: May 1, 2026 at 21:00
- 🔍 Collected: May 1, 2026 at 12:31
- 🤖 AI Analyzed: May 1, 2026 at 19:12 (6h 40m after Collected)
EXNOA LLC (Headquarters: Minato-ku, Tokyo, CEO: Hiroshi Tojo, URL: https://games.dmm.com/) announced that 'STELLAR IDOL PROJECT', operated by DMM GAMES, has implemented a new costume "Runa Cocoa [A Moment Drowning in You]".
In addition, a linked campaign with the "Golden Week Support Battle Event" is currently being held from May 1 (Friday).
Official Website: https://siprj.com
Official X: https://x.com/s_i_project
Official Discord Server: https://discord.gg/nBZMajUnkQ
Official YouTube Channel: https://www.youtube.com/@STELLARIDOLPROJECT
■ New Costume "Runa Cocoa [A Moment Drowning in You]" Appears!
Event Period: Currently running ~ May 15, 2026 (Friday) 23:59
"Runa Cocoa [A Moment Drowning in You]" newly appeared from May 1 (Friday), 2026.
Responding to allies' EX skills, she unleashes her own EX skills in rapid succession!
Runa Cocoa [A Moment Drowning in You] appears in a swimsuit costume that anticipates midsummer!
She disrupts live performances with powerful "Kyun" damage and various interference effects!
To commemorate the appearance of "Runa Cocoa [A Moment Drowning in You]", a limited-time step-up gacha and a limited-time special select gacha are also being held.
■ Golden Week Support Battle 2026 Event Now Held!
Event Period: Currently running ~ May 15, 2026 (Friday) 23:59
The limited-time event "Golden Week Support Battle 2026" is being held from May 1 (Friday).
This is a cross-server event where participants collect items through gameplay, present them to their favorite units to earn support points, and receive various rewards.
Individual support points reaching a certain level will grant limited items, and all producers who supported the unit that ranked 1st in the support point ranking will receive an original design icon frame and limited interior items!
■ Golden Week Support Battle 2026 Linked Campaign Now Held!
Golden Week Support Battle 2026 Commemorative Campaign
Event Period: Currently running ~ May 15, 2026 (Friday) 23:59
To commemorate the event, a luxurious repost campaign is being held from May 1 (Friday), where 50 people will be randomly selected to win up to 10,000 DMM points.
By simply reposting the designated post from the official X, you will know the winning result on the spot.
Golden Week Official Discord Welcome Campaign
Event Period: Currently running ~ May 15, 2026 (Friday) 23:59
The Discord Welcome Campaign is being held from May 1 (Friday).
During the period, 30 people who join the official Discord will be randomly selected to win up to 10,000 DMM points on the spot! In addition, Discord-linked initiatives are being held daily where you can get serial codes usable in the game!
Please take this opportunity to participate in both!
▼ Play the game from here!
https://games.dmm.com/detail/siprj_652934
▼ Product Overview
Title: STELLAR IDOL PROJECT
Genre: Idle Idol Training RPG
Platform: PC (Browser version, DMM GAMES PLAYER version) / Smartphone (DMM GAMES STORE version)
Price: Free-to-play (with in-app purchases)
Copyright: ©2025 EXNOA LLC
In addition, a linked campaign with the "Golden Week Support Battle Event" is currently being held from May 1 (Friday).
Official Website: https://siprj.com
Official X: https://x.com/s_i_project
Official Discord Server: https://discord.gg/nBZMajUnkQ
Official YouTube Channel: https://www.youtube.com/@STELLARIDOLPROJECT
■ New Costume "Runa Cocoa [A Moment Drowning in You]" Appears!
Event Period: Currently running ~ May 15, 2026 (Friday) 23:59
"Runa Cocoa [A Moment Drowning in You]" newly appeared from May 1 (Friday), 2026.
Responding to allies' EX skills, she unleashes her own EX skills in rapid succession!
Runa Cocoa [A Moment Drowning in You] appears in a swimsuit costume that anticipates midsummer!
She disrupts live performances with powerful "Kyun" damage and various interference effects!
To commemorate the appearance of "Runa Cocoa [A Moment Drowning in You]", a limited-time step-up gacha and a limited-time special select gacha are also being held.
■ Golden Week Support Battle 2026 Event Now Held!
Event Period: Currently running ~ May 15, 2026 (Friday) 23:59
The limited-time event "Golden Week Support Battle 2026" is being held from May 1 (Friday).
This is a cross-server event where participants collect items through gameplay, present them to their favorite units to earn support points, and receive various rewards.
Individual support points reaching a certain level will grant limited items, and all producers who supported the unit that ranked 1st in the support point ranking will receive an original design icon frame and limited interior items!
■ Golden Week Support Battle 2026 Linked Campaign Now Held!
Golden Week Support Battle 2026 Commemorative Campaign
Event Period: Currently running ~ May 15, 2026 (Friday) 23:59
To commemorate the event, a luxurious repost campaign is being held from May 1 (Friday), where 50 people will be randomly selected to win up to 10,000 DMM points.
By simply reposting the designated post from the official X, you will know the winning result on the spot.
Golden Week Official Discord Welcome Campaign
Event Period: Currently running ~ May 15, 2026 (Friday) 23:59
The Discord Welcome Campaign is being held from May 1 (Friday).
During the period, 30 people who join the official Discord will be randomly selected to win up to 10,000 DMM points on the spot! In addition, Discord-linked initiatives are being held daily where you can get serial codes usable in the game!
Please take this opportunity to participate in both!
▼ Play the game from here!
https://games.dmm.com/detail/siprj_652934
▼ Product Overview
Title: STELLAR IDOL PROJECT
Genre: Idle Idol Training RPG
Platform: PC (Browser version, DMM GAMES PLAYER version) / Smartphone (DMM GAMES STORE version)
Price: Free-to-play (with in-app purchases)
Copyright: ©2025 EXNOA LLC