Don't give up, Ranko-chan!

Making fertility knowledge accessible to everyone. A story of eggs and sperm for those who hope to have children someday. This is a fertility edutainment "web animation" that makes learning about "eggs" easy and fun.

The story takes place inside a woman's body.
The main character is "Egg-chan," a characterization of your own egg, which could be considered the protagonist of your own fertility journey!
While dreaming of one day meeting "Sperm-kun," she is at the mercy of various physical circumstances.
Please enjoy this slightly poignant story of the struggles of "Egg-chan."

  • Egg Cell Knowledge SectionEgg Cell Knowledge Section
  • Do-Test LHⅡ: How to UseDo-Test LHⅡ: How to Use

Episode 1: How to conceive a child
The day before ovulation is crucial!

The egg is in very good condition right after ovulation.
But no matter how long I waited for sperm,
They're taking forever to arrive...
24 hours later, Sperm-kun finally arrived! But,
What happened to the egg cell at that time...!?

Episode 2: Ovulation Day Only Happens Once a Month!

Egg-chan has made an appointment to meet sperm-kun on her next ovulation day.
However, on the day of the event, Sperm-kun was extremely late!
As sperm rushes towards him in a panic, egg-chan utters an angry remark...!?

Episode 3: Eggs change with age
It's decreasing! (Part 1)

The egg cells play "Red Light, Green Light"
They seem to be playing.
But every time I look back, the egg cells
It's gradually decreasing...!?

Episode 4: Since my period started
Ovulation is in about two weeks!

One day, the egg cell received...
I got a call from Period Sister, who's in the Uterus House!
Aiming to reach the uterus house that Period Sister cleaned,
I made a date with Sperm-kun in two weeks, but...!?

Episode 1: Knowing the Most Fertile Day in Advance

How can an egg and a sperm meet?
"Timing" is important! Do-Test is
You can check in advance which days are most fertile for conception.

Episode 2: Quick and Easy Do-Test

Just spend "2 seconds" in the toilet and wait "5 minutes"!
Using the Do-Test is very easy.

Episode 3: Available in stores and online.

The moment you realize, "My ovulation day might be coming soon!"
In stores or online,
You can easily buy Do-Test.

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