Keiko Takeshita:Co-starred with Toshiyuki Nishida on a radio drama for 16 years. Talks about memories. Says final farewell the day after hearing the news of his death on "Tetsuko's Room."

Ryuhei Matsuda：On "Tetsuko's Room," he said, "I don't look younger than my father, Yusaku, who passed away at the age of 40." He aimed to be the complete opposite of his stoic father.

WEST.Fujii Ryusei：A lively discussion about "explosive shopping" with Tetsuko-san will take place. They will appear together in a reading drama in 2021. They will also reveal their relationship with the members. This is their first appearance on "Tetsuko'

Ken Matsudaira：72-year-old man reveals that walking is the secret to his health: "I walk for about 20 minutes to an hour." Appears on "Tetsuko's Room" with Korokke

Ryuhei Matsuda：Memories of his father, Yusaku Matsuda, who passed away at the age of 40, and his childhood as a soccer boy. First appearance on "Tetsuko's Room"

Kiyoshi Maekawa：He calls Utada Hikaru's mother and ex-wife, Fuji Keiko, "Junpei" and "Kiyoshi-chan," and also had an unexpected encounter with Yutaka Takenouchi on "Tetsuko's Room."

Ken Matsudaira & Croquette：The two also held a joint concert. What was the shocking behavior of Matsudaira Ken, who was dressed as the lord of "Abarenbo Shogun"? On "Tetsuko's Room"