Hisashi (Glay's lead guitarist) posted the photo below of himself with Monster in his Twitter account: 五月天【ﾒｲﾃﾞｲ】と楽しい呑み！写真はﾓﾝｽﾀｧ♪ (translated in Chinese: 和五月天[ MAY DAY ]一起飲酒作樂！ 照片是怪獸♪)
The band are currently in Japan recording their upcoming album
