As part of Crow's first story event, Crow and the player Tag Duel against KENYoU and Ida in order to recover Rally's Deck, which KENYoU stole.
Tag Force 5
In Poncho Yusei Fudo's and Sherry LeBlanc's first story events, KENYoU and Simon Tag Duel against the player and their partner.
In Crow's third story event, KENYoU and Enzo Tag Duel against the player and Crow.
In Kalin Kessler's first story event, KENYoU and Terence Tag Duel against the player and Kalin.
Tag Force 6
In the second event of Taro Yamashita's story, KENYoU and Jaime Tag Duel against the player and Taro.
Sandwiches
The player is able to give KENYoU sandwiches. The following tables detail how much he likes or dislikes the sandwiches.
Tag Force
Strongly likes
Likes
Neutral
Dislikes
Strongly dislikes
Tag Force 2
Strongly likes
Likes
Neutral
Dislikes
Strongly dislikes
Tag Force 3
Strongly likes
Likes
Neutral
Dislikes
Strongly dislikes
Gifts
The player is able to give KENYoU gifts. The following tables detail how much he likes or dislikes the gifts.
Tag Force 4
Strongly likes
Likes
Neutral
Dislikes
Strongly dislikes
Household
Figures
Card accessories
Foods & Beverages
Misc
Tag Force 5
Strongly likes
Likes
Neutral
Dislikes
Strongly dislikes
Household
Figures
Card accessories
Foods & Beverages
Misc
Tag Force 6
Strongly likes
Likes
Neutral
Dislikes
Strongly dislikes
Household
Figures
Card accessories
Foods & Beverages
Misc
Decks
In all Tag Force installments, KENYoU uses Decks oriented towards benefitting from handing control over his own monsters to his opponent, as well as stealing theirs.