Masaaki Yaguchi

In an interview with Guitar Magazine Japan, Masaaki Yaguchi is pictured using the Ibanez RGDR4427FX Prestige Uppercut. The description notes: "This is the latest model in the Prestige series released in 2021, and features a non-tremolo model." Yaguchi mentioned he purchased it due to its appealing appearance.

Shown on a photo from an interview with Guitar Magazine Japan, Masaaki Yaguchi's Mayones Regius 7. Miya notes that this guitar was used in the recording of their single "WORLD"

A photograph from Glare magazine Vol.11 shows Masaaki Yaguchi's Line 6 Variax 700 acoustic modeling guitar. The description reads "It's a great guitar that can produce the sounds of 16 different acoustic instruments"

In the YouTube video by EarthQuakerDevices, at the timestamp 14:29, Masaaki Yaguchi can be seen switching to a Fender KEN STRATOCASTER® EXPERIMENT #1, confirming his use of this specific guitar model.

In the video titled "MUCC - LuckyFes’25 - 2025.08.11 @Hitachi Seaside Park" by Shisei, Mei Ari on YouTube, Miya is seen at the 4:52 timestamp switching to a Fender Jack White Triplecaster Telecaster Electric Guitar, which he uses to perform the subsequent songs.

In the video captured by Shisei, Mei Ari titled "MUCC - LuckyFes’25 - 2025.08.11 @Hitachi Seaside Park," Masaaki Yaguchi switches to a Jackson American Series Soloist SL2 DX HT in Satin Porsche Grey at the timestamp 18:06.