New Idle Mobile Game 'Yulgang: Hiryu Den' Based on the Popular 'Yulgang' IP from Korea and Japan

SESISOFT Co., Ltd. announced today, July 15, 2026, the official Japanese launch of the idle RPG 'Yulgang: Hiryu Den'.

The game is available for download on Google Play and the App Store.

· Apple Store

https://apps.apple.com/app/id6502438838?mt=8

· Google Play

https://play.google.com/store/apps/details?id=com.cle.yulgang&hl=ja

Currently, 'Yulgang: Hiryu Den' is offering players a special legendary companion named 'Seiki', inspired by 'Yuki-onna', one of Japan's most iconic yōkai, as a commemorative gift for the Japanese service launch. Simply playing the game grants this exclusive character.

Additionally, players can 100% obtain various essential early-game rewards, including companion summon tickets and martial arts summon tickets.

◆ What is 'Yulgang: Hiryu Den'?

'Yulgang: Hiryu Den' is an idle mobile RPG developed based on the IP of the popular wuxia manga 'Yulgang', which has achieved cumulative circulation of 8.5 million copies. A key feature is the full integration of characters and storylines from the original work, allowing players to freely combine diverse martial arts and companions to create their own unique progression paths. The game also features an optimized idle system tailored for mobile environments, enabling players to easily grow their characters anytime and anywhere without complex operations. It also delivers thrilling martial arts action sequences.

◆ Two Launch Campaigns to Celebrate the Official Service!

To commemorate the official launch, the official X (formerly Twitter) account is hosting a Follow & Retweet campaign and a Countdown campaign. Winners will be selected by lottery and awarded special event prizes.

◆ In-Game Events Also Live!

Various in-game events are currently active, including login events, a 'Zoo Field Trip Event', and a 'Beat the Summer Heat Event'.

1. Zoo Field Trip Event & Beat the Summer Heat Event

By completing event missions, players can earn event currency.

This currency can be exchanged for coins required to participate in the 'Zoo Field Trip Summon'. Furthermore, these coins can be used to exchange for various items, including companion summon tickets and martial arts summon tickets.

2. Login Event

Throughout July, multiple login events are being held. Simply logging in daily grants luxurious rewards such as costumes and various summon tickets.

Details can be confirmed via in-game announcements.

What is 'Yulgang: Hiryu Den'?

'Yulgang: Hiryu Den' is a new idle RPG that completely reconstructs Korea's top-tier wuxia manga 'Yulgang', boasting cumulative circulation of 8.5 million copies, for mobile platforms.

Faithfully recreating the emotional adventures of protagonists Han Fei-gwan and Tan Hwa-rin, the game features an optimized idle system and UI that allows even busy modern players to easily grow their characters anytime, anywhere without complex operations.

With this official launch, the game aims to re-energize and deliver the charm and presence of the original 'Yulgang' IP to wuxia game fans across Asia and the world.

Title: 'Yulgang: Hiryu Den'

Genre: Idle RPG

Release Date: July 15, 2026

Price: Free-to-play (with in-app purchases)

Platform: App Store, Google Play

Official Website: https://yulgang-jp.sesisoft.com/

Copyright: Yulgang ⓒ 2025 Jeon Keuk Jin/Yang Jae Hyun, Dominus Games Inc. © SESISOFT Co., Ltd. © CLE Games Co.,Ltd. All rights reserved.

Development: SESISOFT / CLE GAMES

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