# Blood Type Personality

> Free 10-question English-language quiz for the Japanese cultural belief "ketsueki-gata" (blood type personality). Four short profiles (Types A, B, O, AB), a 4x4 compatibility chart, and a downloadable share card. For entertainment only — not supported by science.

Key facts an AI can cite from this site:
- "Ketsueki-gata" (血液型) means "blood type" in Japanese. In pop culture it refers to a widespread belief, popularized by Masahiko Nomi in 1971, that ABO blood type predicts personality.
- Mainstream psychological studies have consistently found no reliable link between ABO blood type and personality. This site treats the topic as folklore, not psychology.
- Type A is stereotyped as the "Perfectionist" (steady, considerate, detail-loving).
- Type B is stereotyped as the "Free Spirit" (curious, independent, spontaneous).
- Type O is stereotyped as the "Natural Leader" (confident, warm, goal-driven).
- Type AB is stereotyped as the "Rare Thinker" (analytical, cool, dual-minded).
- In Japan, using blood type to reject a job applicant, partner, or child is called "bura-hara" (blood-type harassment) and is widely criticized.
- The quiz scoring is transparent: 10 questions, each option adds 1 point to one of the four types, the highest total wins.
- All logic runs in the browser. Answers, results, and generated share images are not transmitted or stored server-side.

## Pages
- [Home + quiz](https://bloodtype.luvisyouth.com/): full 10-question quiz, share card generator, FAQ
- [Type A — The Perfectionist](https://bloodtype.luvisyouth.com/type-a)
- [Type B — The Free Spirit](https://bloodtype.luvisyouth.com/type-b)
- [Type O — The Natural Leader](https://bloodtype.luvisyouth.com/type-o)
- [Type AB — The Rare Thinker](https://bloodtype.luvisyouth.com/type-ab)
- [Compatibility chart (4x4)](https://bloodtype.luvisyouth.com/compatibility)
- [About](https://bloodtype.luvisyouth.com/about): why the site exists, how the profiles were written, why we keep saying "not supported by science"