Secret Story of Purely Monster: A Chronological Overview

Purely Monster, a Japanese music project produced by MAGES.inc, has built a unique reputation in the anime and game music scene. The group’s “secret story” is revealed through a series of single releases, music videos, and collaborations that showcase a blend of pop, rock, and electronic elements. This article outlines the key milestones that shape the narrative of Purely Monster, providing fans and newcomers with a clear timeline and insight into the group’s artistic evolution.

2017: The Debut with “教えてダーウィン”

On August 2, 2017, Purely Monster released their debut single “教えてダーウィン”. The track served as the opening theme for the TV anime “セントールの悩み”, instantly linking the group to the anime community. The single was distributed by MAGES.inc and later uploaded to YouTube with the credit “Provided to YouTube by MAGES.inc”. Its energetic melody and lyrical curiosity set the tone for the group’s future releases.

2018: Expansion with “ピュアリーモンスター” 3rd Single

Continuing the momentum, Purely Monster released their third single on November 21, 2018. While the exact title is not specified, the release is confirmed by the statement “2018年11月21日発売 ピュアリーモンスター3rd single”. The single reinforced the group’s signature style—bright vocals paired with high‑energy instrumentals—while expanding their fanbase across both Japan and overseas markets.

2021–2025: Consistent Output and Collaboration

During this period, Purely Monster maintained a steady flow of digital singles and collaborations, often highlighted on YouTube with the credit “Provided to YouTube by MAGES.inc”. The group’s partnership with NexTone Inc. ensured proper licensing and broader distribution, especially for tracks featured in video game soundtracks and promotional videos.

2026: The 8th Single “しゅがぴゅあ”

On April 14, 2026, Purely Monster released their eighth single titled “しゅがぴゅあ”. The accompanying music video, labeled “ピュアリーモンスター「しゅがぴゅあ」MV【Music Clip】”, emphasizes the phrase “モンスター級のピュアを武器に、声優”. This concept—using a “monster‑level purity” as a weapon—highlights the group’s playful yet determined image. The MV was uploaded with the note “Provided to YouTube by MAGES.inc”, confirming the continued involvement of the production company.

Key Themes in Purely Monster’s Secret Story

The following themes recur throughout Purely Monster’s releases, forming the backbone of their “secret story”: