Grapefruit グレープフルーツ

J-pop (Japanese pop) is a broad umbrella for mainstream Japanese popular music that blends Western pop/rock, dance, and R&B with distinctly Japanese songwriting, vocal delivery, and industry practices. It is characterized by strong hooks, polished production, bright synths and guitars, frequent key changes and modulatory bridges, and chorus-first or chorus-centric structures. J-pop spans idol groups, singer-songwriters, band-oriented pop-rock, electronic dance-pop, and R&B ballads, while remaining closely tied to television, advertising, video games, and anime tie-ins (anisong).

Neo-acoustic (often nicknamed "neo-aco" in Japan) is a gentle, guitar-forward strain of indie pop that emphasizes clean acoustic textures, jangly strums, and intimate, soft-spoken vocals. It trades the brashness of rock for nuanced chord color, light percussion, and melodic bass lines. The style draws heavily on British indie and the C86/twee movement, while folding in bossa nova’s relaxed syncopation and jazz-influenced chords. In Japan, the term came to denote a distinct indie sensibility—bookish, urbane, and romantic—that later fed into Shibuya-kei and various bedroom-pop and lo-fi currents. Typical arrangements favor acoustic guitars, brushy drums, tambourine or hand percussion, subtle keyboards, and occasional strings or winds. Lyrics tend toward everyday romance, small-town or city nostalgia, and quietly reflective storytelling.