The TV anime Yomi no Tsugai is collaborating with the smartphone game Monster Strike (known as MonSt) for the first time. The collaboration begins on Friday, October 16, 2026 at 12:00 and runs until Monday, November 2, 2026 at 11:59. During the event, players can enjoy a limited-time gacha and collaboration quests.
Yomi no Tsugai is a manga by Arakawa Hiromu, serialized in Monthly Shonen Gangan (published by Square Enix). It follows Yuru, a young hunter living in a small mountain village, who gets caught up in a conflict over beings called Tsugai.
The TV anime is produced by Bones Film. The first cour aired in April 2026, and the second cour began in July. Ono Kenshou voices Yuru, Miyamoto Yume voices Yuru’s younger sister Asa, and Nakamura Yuuichi voices the peddler Dera. A second season has also been decided.
Collaboration Gacha
The limited-time gacha features Yuru, Asa, Gabu-chan, Dera, and Hana.
| Attribute / Rarity | Character | Evolution | CV |
|---|---|---|---|
| Dark, ★6 | Yuru, One Half of the Twins Who Divide Night and Day | 獣神化 (Transcension) | Ono Kenshou |
| Light, ★6 | Asa, One Half of the Twins Who Divide Night and Day | 獣神化 (Transcension) | Miyamoto Yume |
| Fire, ★6 | Gabu-chan, Master of Gabriel | 獣神化 (Transcension) | Kuno Misaki |
| Wood, ★5 | Dera, 番小者 | 進化 (Evolution) | Nakamura Yuuichi |
| Water, ★5 | Hana the Grave Digger | 進化 (Evolution) | Shimabukuro Miyuri |
Collaboration Quests
The collaboration quests add Haruo, Tenaga Ashinaga, Asuma, Tachikawa Makoto, Hamura Kenichi, and Shingou Hayato.
| Attribute / Rarity | Character | Evolution | CV |
|---|---|---|---|
| Fire, ★6 | Haruo, Master of the Rabbit and Turtle | 進化 (Evolution) | Urawa Nozomi |
| Water, ★6 | Tenaga Ashinaga, 1,200 Years of Curse | 進化 (Evolution) | Mayama Ako (Tenaga), Chiba Shigeru (Ashinaga) |
| Wood, ★6 | Asuma, Master of the Golden Crow and Jade Rabbit | 進化 (Evolution) | Ishida Akira |
| Light, ★5 | Tachikawa Makoto, Master of Fox Transformation | 進化 (Evolution) | Kondou Reina |
| Dark, ★5 | Hamura Kenichi, Former Master of Yin-Yang | 進化 (Evolution) | Ookawa Hayata |
| Light, ★6 | Shingou Hayato, One Who Targets the Power of Release and Seal | 進化 (Evolution) | Satou Setsuji |
Starter Pack and Login Rewards
A Collaboration Starter Pack allows players to obtain Jin. It can be purchased from the featured products in the MonSt Web Shop, and MonSt Points are also awarded.
During the event, logging in gives nine Oshirasama Enjoying the Lower World (★6) per day. Mission clear rewards also offer Danji, Yuru’s Best Friend and Asa, the False Sister.
Collaboration Campaigns
To celebrate the first collaboration, two campaigns are being held.
In the first campaign, follow the official MonSt campaign X account and post from the application page button to X. Later, a lottery will select a total of 1,000 winners for collaboration-exclusive goods. The prizes are: an original package Komedawara (3 kg) for 50 winners, an original design Pair Teacup Set for 50 winners, and an original mount QUO Card 500 yen for 900 winners. The campaign runs from Friday, October 16, 2026 at 10:00 to Monday, November 2, 2026 at 11:59.
The second campaign is a quote-post campaign. Quote-post the target posts from the official X account with the designated hashtag and theme comment. An instant lottery will give a total of 1,000 winners Erableru Pay (R) worth up to 10,000 yen. The prizes include 10,000 yen for 9 winners (3 each day) and 160 yen for 991 winners (331 on the first day, 330 each day after). Participants who do not win receive 5 MonSt Points as a participation prize. The campaign runs from Friday, October 16, 2026 at 12:00 to Monday, October 19, 2026 at 11:59, with three posts during the period. Details are available in the MonSt official news.
Note: Erableru Pay (R) is a digital gift provided by Giftee, Inc. It can be exchanged for gift points within various smartphone payment services without membership registration or app download. MonSt Points are awarded to all participants who do not win the Erableru Pay lottery, and can be used to exchange for specific items such as Orbs and in-game items in the MonSt Web Shop.
The collaboration runs until Monday, November 2, 2026 at 11:59. Players can enjoy the limited-time gacha, collaboration quests, and various rewards.
(C) Hiromu Arakawa/SQUARE ENIX, Project TSUGAI
