There are a total of five members of the Akai family: the mother, Mary Sera; the deceased father, Tsutomu Akai; the youngest daughter, Masumi Sera; the second son, Shukichi Haneda; and the eldest son, Shuichi Akai.
May is Shuichi Akai, Masumi Sera and Shukichi Haneda mother. She appears as a middle-school age girl with light hair who has been hiding in various hotels in Tokyo with Masumi Sera.
Shuichi Akai is the eldest son. He is the best of the FBI Agents; the boss of the Organization and Vermouth nicknamed him the Silver Bullet. Akai is said to have had died at Raiha Pass on Friday the 13th in Detective Conan episode 504 English subbed. There are theories that Akai faked his death with the help of Kir and Conan and created the alias of Subaru Okiya. He resembles their mother.
Masumi Sera is the youngest of the Akai siblings. Her name was formerly Masumi Akai but was changed to her mother's maiden name. Sera transferred to Teitan High School to investigate her brother's death in Japan. She is often mistaken as a boy. She resembles their mother.
Shukichi Haneda Edit
Shukicji Haneda is the middle brother of the Akai siblings. His name was formerly Shukichi Akai but was changed to her mother's maiden name. After he adopted by Haneda family. He change his surname as his adopted family. He is a professional shogi player, as well as the former boyfriend of Yumi Miyamoto.