What is an ONA?
ONA stands for Original Net Animation: animation distributed online first, released to a streaming service rather than broadcast on television. This page lists the 24 ONAs our catalogue rates highest, starting with STEEL BALL RUN JoJo's Bizarre Adventure 1st STAGE (2026, 8.8), Takopi's Original Sin (2025, 8.6), MONOGATARI Series: OFF & MONSTER Season (2024, 8.6), Link Click Season 2 (2023, 8.6) and Lord of Mysteries Specials (2026, 8.6). They range from 2019 to 2026. Recurring studios include B.CMAY PICTURES (4 titles), Studio LAN (3 titles) and Haoliners Animation (2 titles). The genre tags that appear most often across the set are drama, action, mystery and fantasy. The longest entry here is To Be Hero X at 24 episodes. Community scores on the page run from 8.80 down to 8.30. The tabs above switch to the other five formats, and the sort buttons re-order this one by release date or popularity.
