Sengoku † Koihime Online Ouen Shinshi, available on DMM GAMES (operated by EXNOA LLC; Headquarters: Minato-ku, Tokyo; CEO: Hiroshi Tojo; URL: https://games.dmm.com/), is celebrating its 5.5th anniversary with a campaign now running in the game.
The title reaches its 5.5th anniversary on September 23, 2026 (Wednesday). To mark the occasion, a variety of campaigns and updates are being rolled out in the game.
- Official Site: https://ad.games.dmm.com/oenshinshi_official/index.html
- Official X: https://x.com/senkoi_ol
5.5th Anniversary Deluxe Campaign
Period: September 8, 2026 (Tuesday, after maintenance) to October 6, 2026 (Tuesday, before maintenance begins)
- 5.5th Anniversary Login Bonus – Log in daily during the campaign period to earn gacha tickets for the "5.5th Anniversary Step-Up Gacha," redeemable up to 140 times in total.
- 5.5th Anniversary Step-Up Gacha – The "5.5th Anniversary Step-Up Gacha" is underway, offering bonus rewards at set pull counts.
- Stamina Cost Halved – During the campaign period, stamina consumption for challenges in Story, Land of Abundance, Oni-Slaying Shrine, and the Ouen Seasonal Chronicle is reduced by 50%.
5.5th Anniversary Special Event
Period: September 8, 2026 (Tuesday, after maintenance) to September 15, 2026 (Tuesday, before maintenance begins)
Story synopsis: Those who rose up to save companions who have turned into oni carry their feelings with them as they head for Kurokawa, the decisive battleground. Can they reclaim their bonds and save their friends...?
Unrivaled Warlord Pickup: ★6 武田 光璃 晴信 Now Available
Period: September 8, 2026 (Tuesday, after maintenance) to September 15, 2026 (Tuesday, before maintenance begins)
The standard gacha offers a free first 10-pull, and the paid limited gacha offers the first 10-pull at half price. This is a good opportunity to strengthen the roster and progress through the event.
Additional Campaign Information
- New growth feature "★7 Promotion and Second Awakening" added
- Pair popularity poll now underway
- Special Martial Arena event underway
Additional updates and campaigns are planned as well.
X Giveaway Campaign
A giveaway campaign is running on the official X account (@senkoi_ol). One winner will receive a "Gacha Ticket" usable during the 5.5th Anniversary Special Event, and all participants will receive a "Koihime Gacha Ticket II." See the Sengoku † Koihime Online Ouen Shinshi official X account (@senkoi_ol) for details.
How to enter:
- Follow the Sengoku † Koihime Online
Ouen Shinshiofficial X account (@senkoi_ol) - Repost the designated post
- Link your X account via the campaign link to see your entry result immediately
Entry period:
- Day 1 (closed): September 7, 2026 (Monday), 12:00 AM to 11:59 PM
- Day 2: September 8, 2026 (Tuesday), 5:00 PM to 11:59 PM
- Day 3: September 9, 2026 (Wednesday), 12:00 AM to 11:59 PM
Please do not unfollow the account during the campaign. This giveaway is sponsored by EXNOA LLC.
Play Sengoku † Koihime Online Ouen Shinshi here: https://games.dmm.com/detail/oenshinshi
Product Information
Title: Sengoku † Koihime Online Ouen Shinshi
Platform: PC (Browser) / Smartphone (Browser / DMM GAMES STORE (Android)) / App Store / Google Play
Price: Free-to-play (with in-app purchases)
Copyright: ©2021 EXNOA LLC/NEXTON/BaseSon
Google Play and the Google Play logo are trademarks of Google LLC.
