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[Personality Test & Blood Type Diagnosis] Check your personality and compatibility with your crush!

People have long whispered that personality differs by blood type—like “Type A people are meticulous” and “Type O are laid-back”—but in fact, there’s no scientific basis for this at all! Still, perhaps because of ingrained stereotypes, many people readily accept statements like “this blood type tends to be like that.” In this article, we’re setting aside the fact that there’s no scientific evidence and have gathered blood type quizzes and psychology tests related to blood types that you can enjoy as a game.

Please enjoy them casually!

[Personality Test & Blood Type Diagnosis] Check Your Personality and Compatibility with Your Crush! (21–30)

The type each blood group is really bad with

I'm really bad with this type! [Blood Type Stereotypes]
The type each blood group is really bad with

Did you know that each blood type has certain personality types it doesn’t get along with? This guide explains what people of each blood type find unacceptable or difficult in everyday life with family, partners, and friends.

You can enjoy concrete scenarios, like someone who agreed to go out for Korean BBQ but changes the plan to sushi on the day, or someone who acts unpleasant when they’re too busy to reply quickly.

You can enjoy it as entertainment, and it’s also fun to chat about these relatable “blood type” moments with people of different blood types.

Compatibility check by blood type

Compatibility between people based on blood type
Compatibility check by blood type

Curious about your compatibility with a friend or partner? Many of us have had conversations like, “I’m type ___ and you’re type ___, so we’re not a bad match, right?” According to this blood type diagnosis, the best match is Type A and Type O! Their personalities are opposites, and sometimes Type A may get irritated with Type O—but it’s said that those very traits are part of what they can come to love.

And the worst match is…? Check the other person’s blood type if you’re curious, and go watch the video right away!

Stress limit signs by blood type

Here are the signs that appear for each blood type when stress reaches its limit.

Type A tends to show visible changes, with their eyes looking somewhat vacant.

Because they’re usually meticulous, others might notice something is off right away.

Type O often blurts out “I can’t do this!” and becomes more sharp-tongued than usual.

Type B tends to show stress on their face, so their expressions reveal their emotions.

Type AB has a tendency to go silent and vanish from the scene.

It can be fun to imagine real situations and see whether these traits match each blood type.

What happens when people of different blood types are under stress?

The way people express stress can also differ depending on their blood type.

Type A tends to want to put their feelings into words and talk to others when they feel stressed.

They are often relied upon, but should be careful not to bottle things up.

Type O tends to become quiet and speak less under stress.

Because they try to solve problems on their own, those around them may not notice.

Type B often expresses stress through tears and feels refreshed by showing their emotions.

Type AB, on the other hand, is skilled at hiding stress behind a smile, but this diagnosis shows they can be unexpectedly sensitive and reveals how they relieve stress.

The psychology of leaving messages on read by blood type

We’ll introduce the characteristics of “being left on read” by blood type—when the other person reads your message but doesn’t reply.

Type A often thinks, “I need to reply quickly,” and ends up missing the right timing.

Type B tends to get absorbed in one thing and often forgets to reply while focusing on something else.

Type O is easygoing and may think, “It’s fine not to reply,” and let minor exchanges slide.

Type AB may overthink and ultimately forget to respond.

Understanding these blood type tendencies can be helpful in real-life communication scenarios.

Blood type combinations with good romantic compatibility

[Blood Type Diagnosis] The best love-compatibility pairings! “The blood type most compatible with you is ● type...” (Yukkuri Explanation)
Blood type combinations with good romantic compatibility

Many people may be wondering, “Which blood type of the opposite sex is most compatible with me?” This guide assesses compatibility for each pairing, such as Type A women with Type A men.

It suggests relationships like Type A—known for being meticulous—often being drawn to Type B, who tends to take the lead.

You can imagine various romantic scenarios where personalities clash or complement each other by covering what the other lacks.

It’s also recommended to check your romantic compatibility with your current partner or the person you’re interested in.

Check the hidden side by blood type

“Song” Hidden Personality: Scary Blood Type Ranking? [Blood Type Stereotypes]
Check the hidden side by blood type

A ranking of blood types with scary “hidden sides” that you can’t see on the surface.

Set to an original hard heavy metal song, the lyrics make you think, “Wow, so that’s another side!”—thrilling and nerve-racking in a fun way.

The cats’ suddenly changing expressions are irresistible, too.

Beyond analyzing your partner, friends, or family, you might even discover a side of yourself you never noticed.

And perhaps the scariest part of all is figuring out which blood type most often hides anger behind a straight face.