The título says it all. It's just a lista of their birthdates and zodiac signs.
Kasai -
October 28th, 2020
Zodiac: Scorpio ♏ (the scorpion)

Leif -
December 13th, 2021
Zodiac: Sagittarius ♐ (the archer)

Kori -
November 12th, 2022
Zodiac: Scorpio ♏ (the scorpion)

Hato -
March 4th, 2023
Zodiac: Pisces ♓ (the fish)

Dante -
July 23rd, 2024
Zodiac: Cancer/Leo cusp ♋️ (the crab)

Dimitri -
July 23rd, 2024
Zodiac: Cancer/Leo cusp ♌ (the lion)

Hikari -
April 9th, 2025
Zodiac: Aries ♈ (the ram)

Ichigo -
January 5th, 2026
Zodiac: Capricorn ♑ (the mountain goat)

Johann -
Febuary 8th, 2027
Zodiac: Aquarius ♒ (the water-bearer)

Sebastian -
May 1st, 2029
Zodiac: Taurus ♉ (the bull)

Rozu -
August 15th, 2034
Zodiac: Leo ♌ (the lion)

Yami -
June 18th, 2035
Zodiac: Gemini ♊ (the twins)