is the 46th single by Japanese idol girl group AKB48. It was released on through You, Be Cool!/King Records. This is the final single appearance of Haruka Shimazaki, who left the group shortly after the release. The single's choreography is also centered by Shimazaki. The title song is used as the theme song of their drama Cabasuka Gakuen premiered on October 30, 2016 and was used for one of the team battles during Produce 48's group battle stage.
The single's title is an example of Wasei-eigo and refers to a instead of any of the usual meanings of "tension" in English.
The center performer is Haruka Shimazaki.
This song was performed by this single's unit, Waiting Circle which consists of the following members:
This song is performed by this single's unit Renacchis, a unit that was created on "Renacchi's Sousenkyo" made by member Rena Katà  as a joke on the app "755".
This song serves as Haruka Shimazaki's graduation song, with the Senbatsu members being her good friends from AKB48's 9th Generation.
This song is performed by Team 8 EAST, with members belonging from the eastern region of Japan, where their prefectures belong.
This song is performed by Team 8 WEST, with members belonging from the western region of Japan, where their prefectures belong.
This song is sung by the unit "Tentoumu Chu!", which was originally a Kenkyuusei unit soon turned into active unit.
This song is sung by this single's unit Team Vocal, who are known to be the best vocalists of their Teams.
The Filipino idol group MNL48, a sister group of AKB48, covered the song with the same title. It is their Fifth single released on November 25, 2019.