'SEGA NET MAHJONG MJ' Collaborates with 'Slot Koutetsujou no Kabaneri Unato Kessen' and 'P Koutetsujou no Kabaneri 2 Sakaseya Sanzen'! National Tournament 'Koutetsujou no Kabaneri CUP' to be Held
'SEGA NET MAHJONG MJ' is collaborating with the 'Koutetsujou no Kabaneri' series to hold a national tournament.
📋 Article Processing Timeline
- 📰 Published: March 30, 2026 at 22:00
- 🔍 Collected: March 30, 2026 at 22:56 (55 min after Published)
- 🤖 AI Analyzed: April 16, 2026 at 04:56 (390h 0m after Collected)
SEGA Corporation announced that the network battle mahjong game 'SEGA NET MAHJONG MJ' (hereinafter referred to as 'MJ') series will begin a collaboration event, the 'Koutetsujou no Kabaneri CUP', with 'Slot Koutetsujou no Kabaneri Unato Kessen' and 'P Koutetsujou no Kabaneri 2 Sakaseya Sanzen' starting Monday, March 30, 2026.
Enjoy the 'MJ' series while obtaining various collaboration items such as winning animations and table backgrounds inspired by 'Slot Koutetsujou no Kabaneri Unato Kessen' and 'P Koutetsujou no Kabaneri 2 Sakaseya Sanzen'.
■Overview of the National Tournament 'Koutetsujou no Kabaneri CUP'

This is a collaboration event between the app version of 'MJ' and the arcade version of 'MJ' with 'Slot Koutetsujou no Kabaneri Unato Kessen' and 'P Koutetsujou no Kabaneri 2 Sakaseya Sanzen'.
The tournament will be held simultaneously in two categories: East Wind (Tonpu) and Three-Player Mahjong (Sanrensho), with players competing for the highest total score. Players who achieve a certain score or higher in the preliminary rounds will advance to the finals, and the player with the highest score during the finals period will be crowned the champion.
In the app version of 'MJ', by participating in the tournament and meeting the conditions, players can receive various collaboration items such as evolved SP characters (SSR) and winning animations and table backgrounds inspired by 'Slot Koutetsujou no Kabaneri Unato Kessen' and 'P Koutetsujou no Kabaneri 2 Sakaseya Sanzen'.
●'MJ' App (Smartphone/PC Version)
【Preliminary A】
Event Period:
Monday, March 30, 2026 – Sunday, April 5, 2026
Registration Hours: 24 hours
(First day: March 30 (Mon) 7:00 AM –, Last day: until April 5 (Sun) 29:59)
【Preliminary B】
Event Period: Monday, April 6, 2026 – Sunday, April 12, 2026
Registration Hours: 24 hours
(First day: April 6 (Mon) 7:00 AM –, Last day: until April 12 (Sun) 29:59)
【Finals】
Event Period: Monday, April 13, 2026 – Sunday, April 19, 2026
Registration Hours: 24 hours
(First day: April 13 (Mon) 7:00 AM –, Last day: until April 19 (Sun) 29:59)
◆Numerous Collaboration Items from 'Slot Koutetsujou no Kabaneri Unato Kessen' and 'P Koutetsujou no Kabaneri 2 Sakaseya Sanzen' Available as Rewards!
Evolved SP character (SSR) 'Mima', winning animations, EX backgrounds, table backgrounds, and more can be obtained as event point rewards.

●Event Point Rewards
≪Evolved SP Character (SSR)≫ 1 type in total
FAQ
What is the 'Koutetsujou no Kabaneri CUP'?
The 'Koutetsujou no Kabaneri CUP' is a national tournament event held as a collaboration between the network battle mahjong game 'SEGA NET MAHJONG MJ' and the pachinko/slot machines 'Slot Koutetsujou no Kabaneri Unato Kessen' and 'P Koutetsujou no Kabaneri 2 Sakaseya Sanzen'.
When will the 'Koutetsujou no Kabaneri CUP' take place?
The tournament will be held from Monday, March 30, 2026, to Sunday, April 19, 2026. It includes preliminary rounds (A and B) and a final round.
What are the game modes for the tournament?
The tournament will feature two game modes: East Wind (Tonpu) and Three-Player Mahjong (Sanrensho).
What kind of rewards can players get?
Players can obtain various collaboration items inspired by 'Koutetsujou no Kabaneri', including evolved SP characters (SSR), winning animations, EX backgrounds, and table backgrounds, by participating in the tournament and meeting certain conditions.
Is this collaboration available on both mobile and arcade versions of MJ?
Yes, the collaboration event is being held on both the app version (smartphone/PC) and the arcade version of 'MJ'.