Ahead of its exhibition of the new roguelike action RPG " I'm the Only One Leveling Up: KARMA " at the Tokyo Game Show 2026 (hereinafter "TGS2026"), Netmarble launched a special website on Wednesday, September 2, 2026.
Along with this, details were announced regarding on-site hands-on demos and stage events featuring star-studded guests, including voice actors and popular streamers.
"I'm the Only One Leveling Up: KARMA" TGS 2026 Exhibition & Special Website Launch! Details on the Exhibition, Including Exciting Stage Events and Hands-On Demos, Revealed

Ahead of the "TGS 2026" exhibition, the "I'm the Only One Leveling Up: KARMA" TGS 2026 special website has gone live, revealing details such as an overview of the content and the stage event schedule!
The exhibition booth will feature a demo area where visitors can get an early hands-on experience with the game, as well as plenty of must-see content for fans, including giveaways for attendees.
A special stage event, “Cosplay Show & Streamer Showdown SP Stage: Defeat Shun Mizushino,” has been confirmed!
On the venue stage, the special event " Cosplay Show & Streamer Showdown Special Stage ~Defeat Shun Mizushino~ " will take place on Sunday, September 20, 2026, from 2:15 PM to 3:15 PM!
In addition to a cosplay stage featuring popular cosplayers Moe Iori and Manasou, the event is packed with highlights, including a “Three-Way Time Attack Battle” where voice actor Taito Saka—who voices the protagonist “Shun Mizushino”—and popular streamers k4sen and Bodoka will compete for the fastest clear time.
List of Performers


- Moe Iori ( @iorimoe_five )
- Manasou ( @cos_manasou )
- Taito Saka ( @TaitoB_1218 )
- k4sen ( @k4sen )
- Vodka ( @VodkaChaso )
Visit our booth or complete various missions to receive exclusive original giveaways

At the "Only I Level Up: KARMA" booth, " original uchiwa fans " will be given to visitors as gifts, and " cooling ponchos featuring original illustrations " will be distributed to those who play the game demo or complete a survey.
Furthermore, by participating in various missions, you can receive a " pouch " or " peel-and-stick stickers." There will also be a special event where you can enter a raffle to win a " mouse pad " by predicting the outcome of the time-attack battles held on stage.
Official X Campaign to Celebrate the Launch of the Special Website
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TGS2026ステージ
対戦カード公開キャンペーン!🎉
\ネットマーブルブースでのステージ対戦カード公開を記念して
『俺カル』グッズ3点セットや
Amazonギフトカードが抽選で当たるキャンペーン実施中!!🎁🔽応募方法
①@Sololv_KARMA_JPをフォロー
②この投稿をリポスト… pic.twitter.com/DBenxMtYi3— 【公式】俺だけレベルアップな件:KARMA(俺カル) (@Sololv_KARMA_JP) September 2, 2026
To celebrate the launch of the special website, the official “Only I Level Up: KARMA” X account ( @Sololv_KARMA_JP ) will be holding the “TGS Stage Match Card Reveal Campaign ”!
If you participate via the designated post, 10 winners will be selected in a raffle to receive a “TGS Goodie Set” (pouch, cooling poncho featuring an exclusive illustration, and peel-and-stick stickers),and another 10 winners will receive a “ 5,000-yen Amazon Gift Card.” Additionally, your chances of winning increase when you post a message of support for the stage guests.
Here’s how to enter…
- 1. Follow the official “Only I Level Up: KARMA” X account ( @Sololv_KARMA_JP )
- 2. Repost the eligible post
...That’s all!
The campaign runs until 11:59 PM on Wednesday, September 9, 2026.
For details, please check the "Only I Level Up: KARMA" TGS 2026 special website or the "Only I Level Up: KARMA" official X account ( @Sololv_KARMA_JP ).
| Campaign Overview | |
|---|---|
| Name | Tokyo Game Show 2026 (TOKYO GAME SHOW 2026) |
| Organizer | Computer Entertainment Suppliers Association (CESA) |
| Dates | September 17, 2026 (Thu) Business Day 10:00 a.m.–5:00 p.m. September 18, 2026 (Fri) Business Day 10:00 a.m.–5:00 p.m. September 19, 2026 (Sat) Public Days 9:30 a.m.–5:00 p.m. September 20, 2026 (Sun) Public Days 9:30 a.m.–5:00 p.m. September 21, 2026 (Mon, Holiday) Public Day 9:30 a.m.–4:00 p.m. |
