You read it.
You still can’t remember it.
Will future-you remember anything from the book you just finished?
You spent hours on it. Now you can only recall the title. You read it, but you can’t use it — and that quietly wears down your confidence.
You forget faster than you think.
That one important thing from the book.
That one important thing from the book.
That one important thing from the book.
That one important thing from the book.
That one important thing from the book.
And time keeps passing while the memory doesn’t.
You’re putting in the effort. Nothing seems to change.
Every time you notice, you trust yourself a little less.
Does any of this sound familiar?
You finished a book last month. Someone asks what it was about, and you’ve got nothing.
You remember the title. The actual content is just gone.
You underlined “this is how I’ll do things differently” — then kept living exactly the same way.
The high of deciding stuck. The behavior never did.
You glance at your shelf, think “oh right, I read that,” and that’s the whole thought.
The fact that you read it keeps piling up. None of the substance does.
Unread books and books you’ll never open again keep growing at the same rate.
You tell yourself “it’ll come in handy someday” while the shelf turns into storage.
Stop leaving what you read on the shelf.
BookBlood turns what you’ve read into skills you can actually use, then pulls out the right one the moment you need it — always naming the exact book and idea it came from, never a vague generic answer.
Four steps. That’s it.
Add a book
Paste the title and your notes. AI pulls out about five skills you can actually use.
Describe today’s problem
“I can’t stick to what I decide” or “something’s off in a relationship” — you don’t need the right words for it.
AI answers across every book you own
It searches everything you’ve added and combines whatever skills fit — always naming which book, which idea.
Try it, then log it
Just note how it went. Every time you use it, it actually becomes yours.
Never a source-less answer.
Every suggestion names exactly which book and which idea it came from. Not a plausible-sounding platitude — an answer pulled from a book you actually read.
Zero to One
Differentiation strategy
“A product isn’t just a feature — it’s a worldview.” — today’s suggestion came from exactly this.
Start free. See if it actually works.
A book costs about $10. If you never actually use what’s in it, that’s $10 for nothing. BookBlood turns every book on your shelf into something usable, for ¥300 a month (roughly $2).
Standard
¥300 / mo
Cancel anytime
- Unlimited books
- Unlimited AI suggestions
- Action log & growth tracking