Boku to Dragon Launches Collaboration Campaign With Manga Artist Ryoji Minagawa

Published: September 17, 2026
Boku to Dragon Launches Collaboration Campaign With Manga Artist Ryoji Minagawa

Boku to Dragon, a new-style smartphone RPG, is holding a collaboration campaign with manga artist Ryoji Minagawa starting Thursday, September 17, 2026.

Boku to Dragon × Ryoji Minagawa Collaboration Campaign Overview

A limited unit featuring manga artist Ryoji Minagawa's work arrives in Boku to Dragon!

The following characters appear in the collaboration gacha:

UR Orb "[Bullet of Desire] Zamiel"

UR Orb "[Radiant Fierce Falcon] Carabrone"

Collaboration gacha tickets can be earned through login bonuses and event participation during the campaign. The more players participate, the more tickets they can earn, so this is a great opportunity not to miss.

Event Period

Thursday, September 17, 2026, 4:00 PM to Saturday, October 3, 2026, 11:59 PM

Ryoji Minagawa Collaboration Gacha

Two gacha courses are available: the "Zamiel Course," which yields the UR Orb "Zamiel," and the "Carabrone Course," which yields the UR Orb "Carabrone."

During the collaboration period, players can earn collaboration gacha tickets through login bonuses and event participation, and can even pull the gacha for free.

Limited units available from the collaboration gacha:

[Bullet of Desire] Zamiel (UR Orb)

[Bullet of Desire] Zamiel

The illustration shows the character at its final evolution stage.

[Radiant Fierce Falcon] Carabrone (UR Orb)

[Radiant Fierce Falcon] Carabrone

The illustration shows the character at its final evolution stage.

Collaboration Login Bonus & Collaboration Missions

Logging in during the campaign period unlocks a login bonus offering collaboration gacha tickets and other premium items.

Completing collaboration-limited missions also rewards players with collaboration gacha tickets and other premium items.

Event Period

Thursday, September 17, 4:00 PM to Saturday, October 3, 11:59 PM

Boku to Dragon continues to hold active events so players can keep enjoying the game.

About Manga Artist Ryoji Minagawa

Ryoji Minagawa made his manga debut in 1988 with the one-shot "HEAVEN" in Weekly Shonen Sunday.

His work is known for its dynamic energy and cinematic manga expression, creating a distinctive world of its own.

The meticulous detail behind his weapons, vehicles, and backgrounds has captured the hearts of many fans.

His widely known works include SPRIGGAN, ARMS, and the vehicle-driven action series D-LIVE!!.

Kaiou Dante became a topic of discussion for its depiction of animal action.

His latest work, Hellhound, is currently serialized in Monthly Afternoon.

As an avid gamer himself, Minagawa has also worked on character designs for games including LIVE A LIVE, Genei Tougi, and Critical Blow.

Representative Works

Manga:

Hellhound (ongoing)

SPRIGGAN, KYO, ARMS, D-LIVE!!,

PEACE MAKER, ADAMAS, Kaiou Dante

and numerous other one-shot manga

Anime:

SPRIGGAN (film; supervised by Katsuhiro Otomo)

PROJECT ARMS

Games:

LIVE A LIVE, Genei Tougi, Critical Blow, SPRIGGAN -LUNAR VERSE-, PROJECT ARMS, Tsukiyo ni Saraba

and many others

X (formerly Twitter): https://twitter.com/minagawa_ryouji

About Boku to Dragon

Boku to Dragon is a new-style smartphone RPG that loads instantly with zero wait time, offering simple, breezy controls and slime-hunting action anyone can enjoy without consuming stamina. Hunt slimes to level up, then recruit dragons as allies through quests! The biggest highlight is its 3D action and intense real-time co-op battles held three times a day for 30 minutes each. These real-time co-op battles let guilds face off with up to 20 players on each side, coordinating strategy and combo attacks with teammates over chat for the full thrill of cooperative battle.

Game Basic Information

Title: Boku to Dragon

Genre: Co-op Battle RPG

Compatible OS: iOS 12 or later (iPhone 5s or later) / Android 6.0 or later

iOS / Android Download: https://app.adjust.com/i4tqbo5

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

Development / Distribution / Operation: studiorex Co., Ltd.

Copyright:

© studiorex Co., Ltd.

© Ryoji Minagawa

Boku to Dragon

Latest Information

Official website: https://bokudora.jp/

Official X (formerly Twitter): https://x.com/bokutodragon