Emaki is a Japanese-language AI video generator built around ByteDance Seedance 2.5 and 2.0, letting users write a prompt in Japanese or start from a photo to create short videos for ads, social posts, and pitch drafts. Text-to-video and image-to-video both work, with clips from 4 to 15 seconds on Seedance 2 and up to 30 seconds in a single take on Seedance 2.5, at 480p, 720p, or 1080p, with native audio on supported settings. Signing up grants free credits that cover a first video at the lowest settings, and monthly plans start at 1,580 yen for 350 credits, rising to 4,980 yen and 7,980 yen for larger volumes, with credit use varying by length, mode, and audio. The same account and credits also cover Veo 3.1 and MiniMax H3, so one Japanese prompt can be tried across models. Emaki states it is an independent third-party platform, not affiliated with or operated by ByteDance. It suits Japanese-speaking advertisers, social managers, and creators who want a quick video draft.