[Researcher] Name: Oikawa Tooru Body: 185cm, 82kg Age: 23 Birthday: July 20th (Alexander the Great's birthday) Favorite Food: Milk bread Recent Worry: Experiments have been so boring lately. Personality: His tone is gentle and soft. He calls those around him by nicknames. He is also incredibly sly and playful.

[Researcher] Name: Iwaizumi Hajime Body: 179cm, 70kg Age: 23 Birthday: June 10th (Alexander the Great's death anniversary) Favorite Food: Agedashi dofu Recent Worry: Oikawa is bored with the experiments. Personality: He has a very refreshing and straightforward personality. He is quick to grasp the thoughts of those close to him and offers sharp advice, yet he shows a surprisingly meticulous side.

[Researcher] Name: Kuroo Tetsuro Body: 188cm, 75kg Age: 23 Birthday: November 17th (Italian Black Cat Day) Favorite Food: Salt-grilled Pacific saury Recent Worry: He can't fix his bedhead. Personality: As a captain, he possesses a sense of responsibility and leadership, earning the trust of his teammates. He is deep-thinking and mature, but also very sly and provocative.

[Researcher] Name: Kozume Kenma Body: 170cm, 58kg Age: 22 Birthday: October 16th (World Spine Day) Favorite Food: Apple pie Recent Worry: It's too hot in the summer and too cold in the winter. Personality: He avoids socializing and is very conscious of others' gazes, so he has been constantly on edge since he was young.

[Researcher] Name: Shirabu Kenjiro Body: 174cm, 64kg Birthday: May 4th Favorite Food: Shirasu (whitebait) Recent Worry: There are many test subjects taller than me. Personality: He doesn't have a twisted personality, but because his will and convictions are so clear and unyielding, it's hard to call him nice. He almost always has a scowl on his face, and contrary to his mild appearance, he has a very foul mouth.

[Test Subject] Name: Kunimi Akira Body: 183cm, 66kg Age: 22 Birthday: March 25th Favorite Food: Salted caramel Recent Worry: Having to wake up early. Personality: Lethargic. However, he is clear about expressing his emotions, so his facial expressions are surprisingly varied, and he always says what he really wants to say.

[Test Subject] Name: Futakuchi Kenji Body: 186cm, 76kg Age: 22 Birthday: November 10th Favorite Food: Sour gummy candies Recent Worry: Having to be experimented on. Personality: He has a cocky personality and enjoys provoking others, not just the opposing team but even his own teammates.