: It falls under the Hentai and Eroge (erotic game/animation) categories.

: For every 50 minutes of reading a visual novel or manga, take a 10-minute break to rest your eyes and stretch. Physical and Mental Wellness

VTubers frequently adopt the "imouto" persona during live streams, playfully scolding their chat or demanding "super chats" (donations), mirroring the "shiboraretai" (wanting to be drained/squeezed) dynamic financially and socially.

Every major entertainment phenomenon has a catalyst. For this specific subculture, the momentum built rapidly through accessible digital publishing and niche targeting.