NASTYONA

Men chika (メン地下) is the Japanese underground male idol scene, made up of boy groups who perform high-energy J‑pop and dance-pop in small live houses, theaters, and idol events rather than on major mainstream stages. Musically it blends glossy J‑pop songwriting with club-ready EDM/electropop production, punchy hooks built for call-and-response, and chant breaks designed for wotagei/fan MIX participation. Songs commonly feature bright synths, four-on-the-floor or trap-inflected grooves, stacked gang shouts, and key‑change finales. Lyrically the focus is on youth, dreams, devotion, and intimacy with fans—reinforced by close-contact fan practices like cheki (instax photos) and meet-and-greets. Culturally, men chika parallels the long-running “chika idol” (underground idol) movement on the women’s side, but orients to a largely female fanbase and a circuit centered on Tokyo live houses and regional circuits. It is as much a participatory fan culture as it is a sound, shaping how songs are arranged, staged, and monetized.

Shib is an internet-born microgenre that blends lo‑fi hip hop, cloud rap, and alt‑R&B sensibilities into short, emotionally direct songs. It favors intimate vocals (sung, whispered, or half‑rapped), warm and dusty textures, and compact forms optimized for streaming and social media discovery. Typical productions feature looped guitar or piano motifs, soft trap drums, vinyl crackle or room noise, and reverbs/delays that create a late‑night, confessional atmosphere. Lyrically, shib gravitates toward nostalgia, heartbreak, and private reflection—music made to sound like messages recorded in a bedroom at 2 a.m.

Jirai kei is a recent Japanese internet-born pop micro‑genre and aesthetic that blends cute, sugary sounds with darker, obsessive and self‑destructive themes. The term comes from a fashion/aesthetic scene associated with yamikawaii and menhera culture, and in music it describes songs that sound soft and adorable on the surface but conceal lyrics about toxic love, dependency, jealousy, and emotional volatility. Sonically, jirai kei draws from J‑pop and Vocaloid traditions (denpa/picopop brightness, catchy hooks) while adopting modern hyperpop gloss, trap/EDM percussion, and highly edited, youthful vocals. The contrast between childlike, pastel timbres and intense, confessional writing is central to the style, making it both immediately hooky and emotionally sharp—an audio embodiment of “cute but dangerous.”

Lo star is a streaming-era umbrella tag used to group under-the-radar, low-profile artists who sit on the fringes of indie, alternative, DIY pop, and related scenes. Rather than denoting a single, tightly defined musical vocabulary, it marks a discovery space of self-produced or small-label projects with modest audiences, genre-fluid aesthetics, and a distinctly DIY approach to recording and release. Expect intimate vocals, inexpensive or home-studio production, hybrid acoustic/electronic textures, and songwriting that favors personal storytelling and immediacy over polish. Because it functions as a curatorial category for emerging or niche acts, the sonic palette spans indie rock and folk-pop to bedroom pop and lo-fi electronic, unified by scale, ethos, and distribution more than by strict musical rules.

Shibuya-kei is a Japanese pop micro‑genre that emerged from Tokyo’s Shibuya district in the early–mid 1990s. It blends 1960s French yé‑yé, bossa nova, lounge/easy listening, baroque pop, jazz, sunshine pop, and slick city‑pop with contemporary sampling and electronic production. The style is cosmopolitan and retro‑futurist: it celebrates crate‑digging, witty pastiche, and graphic design/fashion as much as music. Songs often feature breezy melodies, airy or whispery vocals in Japanese, English, or French, and richly orchestrated arrangements that feel both nostalgic and playful.

Visual kei is a Japanese rock/metal-centered movement defined as much by its theatrical, gender-fluid visual presentation as by its sound. Bands employ elaborate makeup, dramatic hairstyles, flamboyant or gothic costumes, and stylized stagecraft to create a total art experience that fuses music and spectacle. Musically, visual kei spans hard rock, heavy/speed metal, punk/post-punk, new wave, and gothic influences, often blending melodic hooks with virtuosic guitar work, dynamic arrangements, and emotionally charged vocals. Lyrical themes commonly explore romance, decadence, existential angst, fantasy, and nostalgic longing, while arrangements may incorporate strings, synths, or piano for cinematic effect. Substyles like kote kei (early, heavier), Nagoya kei (darker, post-punk/goth-leaning), and later softer or pop-inflected variants illustrate its breadth and evolution.