Finished video
Alliance explainer: selling and clearing out a family home
An 87-second video in which Koyama of a real estate company points to a board while explaining a client case where a family home was sold through bids from more than 300 companies, along with the clear-out carried out alongside the sale
Narration and on-screen text are in Japanese. The sections below describe the video in English.
How it was made: Footage of Koyama speaking was generated from Koyama's photo with OmniHuman v1.5, and the narration used a voice made from Koyama's recordings with Koyama's consent (MiniMax). The client case scenes were made with image generation AI (Nano Banana Pro, Nano Banana 2.1) and video generation AI (Kling v3), with BiRefNet for background removal and generative AI (ElevenLabs) for music and sound effects, and everything was finished in editing (no filming)
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A video like this$500 (excl. tax, promotional price) · As few as 5 business days87 seconds, landscape and portrait | Pricing
Overview and production conditions
- Opens with "When you sell your family home, don't decide with just one company."
- Shows, through a real client case, a way of selling in which more than 300 buyout companies place bids.
- The clear-out runs in parallel with the sale, and title and tax matters are passed on to specialists.
- Audience
- People in their 40s to 60s who inherited real estate from their parents, and licensed professionals who handle inheritance consultations
- Where it is used
- YouTube, networking events and briefings for licensed professionals. With subtitles, it gets the message across even when played muted
- Approach
- Koyama stands on the left and explains in the first person, pointing to the board and case footage on the right
- Length and format
- One 87-second video each in landscape 16:9 and portrait 9:16
The 87 seconds
0–11 s: Koyama, facing the camera, says "When you sell your family home, don't decide with just one company" and gives a self-introduction.
11–31 s: The client case. A bank the client does business with recommends selling the inherited family home, and through a tax accountant's referral the client comes to Koyama for advice.
31–45 s: The heading "Auction format". The property details are sent to more than 300 buyout companies at once for bids, and a bar chart shows the price came in $100,000 above the bank's offer.
45–64 s: The client, who had been unsure, decides to sell, and the clear-out moves ahead in parallel with a partner estate-clearing company, checking what to keep and what to sell.
64–79 s: A diagram of Koyama standing between a judicial scrivener and a tax accountant and connecting them. The sale closes and leads to the next consultation.
79–87 s: Koyama's closing line facing the camera, then a screen with the company name, contact details and disclaimer.
Landscape and portrait
The portrait version is not a crop of the landscape one. We rebuilt the layout from the same assets and timeline, with no new generation.
- Explainer scenes
- The board and case footage at the top, subtitles in the middle, and Koyama from the chest up at the bottom
- Front-facing scenes
- The opening and closing were cropped around the face. The audio is the same as the landscape version
Handling a real person and reenactments
- Koyama
- The speaking footage was generated from Koyama's photo, and the voice was made from Koyama's recordings with Koyama's consent
- Scope of the reenactment
- The client case is a reenactment based on a real case. The referral route, the order of the clear-out and the footage in each scene are dramatized
- What we leave out
- The names of the bank and buyout companies, the actual sale price, and any information that could identify the client
- On-screen disclaimer
- "The difference in sale price reflects an individual case and does not guarantee the same result"
What we check when using a real person's face or voice with generative AI is summarized in Notes on featuring a real person in an AI video.
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