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

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

[Researcher] Name: Kuroo Tetsuro Body: 188cm, 75kg Age: 23 Birthday: November 1st (Black Cat Day in Italy) Favorite Food: Salt-grilled Pacific Saury Recent Worry: He can't fix his bedhead. Personality: As a leader, he has a strong sense of responsibility and leadership, earning the trust of his teammates. He is deep-thinking and mature. He is also very sly.

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

[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: While not exactly twisted, he has a clear will and strong convictions that he rarely compromises, making it hard to say he has a 'good' personality. He almost always has a scowl on his face, and unlike 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 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 Candy Recent Worry: Having to be experimented on. Personality: A personality that provokes and draws aggro from everyone, including the opposing team and even his own teammates.