Kokoro Akechi is a recurring character in the anime series Tantei Opera Milky Holmes. She is a genius detective and the leader of the Genius 4, a group of prodigious detectives. Kokoro is known for her sharp intellect, prideful demeanor, and her catchphrase 'Kokoro-chan's IQ is 1300!' Despite her young age, she commands respect from her peers and often clashes with the Milky Holmes group, serving as both a rival and occasional ally throughout the series.