The group was named "Tokai On Air" as all members hail from Aichi Prefecture in Japan's Tōkai region.

[5][6][7] Video themes involve mostly experiments and competitions between the members,[8] and the group's main concept is "doing what children want to do but cannot do.

[8] Z-sedai Hakusho, a white paper by TikTok, states that generation Z dislikes promotional and duplicitous content, which may be considered one reason for Tokai On Air's popularity.

[15][8] On the other hand, many fellow YouTubers have said that Tetsuya "does not think", and viewers have criticized him for being "disrespectful" and "slovenly", sometimes resulting in Tokai On Air coming under fire from the public.

[8] On October 12, 2013, Tokai On Air's YouTube channel was created[16] and began by posting comedy and hidden camera videos.

[43] In 2019, three of Tokai On Air's members, Tetsuya, Shibayu and Toshimitsu, formed a musical group called "Recitals".