Tamaki and Tenya have not interacted or talked to each other in canon (Team Up Missions is a spin-off, and not confirmed to fit into MHA’s plot line), but Tenya knows who Tamaki is and that he is one of the best in the U.A. because Tamaki and his group, the Big Three, had to show up before Class 1-A before the start of the internships. When Shota Aizawa told Tamaki to introduce himself to the students in the class, Tenya felt visibly uncomfortable at Tamaki's intense gaze at the students (not knowing what it was due to his social anxiety) and he fell silent and doubtful when Tamaki turned his gaze from the students.
Side Content & Spin-Offs
BNHA: Team Up Missions (Manga Spin-Off)
Chapter 3.1⁚ Who's Prince Charming?
- Tenya and Momo are chosen to work at the Fat Gum agency thanks to the Team-Up Missions program and they both introduce themselves to Tamaki and Fat Gum with their real names and from Heroes. Fat Gum talks to Tamaki during their introductions and asks if they are his Kouhais, to which Tamaki answers yes but saying that they are cooler than him, while Tenya is surprised by their negativity.
- After the two students put on their Hero costumes, Tamaki watches from behind when Fat Gum introduces himself with Tenya and Momo, and after introducing himself Tenya is eager for their first teamwork and asks Fat Gum if they need a leader. Fat Gum explains to Tenya that Tamaki is used to working in his agency and that since he is her Senpai he will be perfect for the position, much to Tamaki's surprise.
- Before Tamaki can respond to Fat Gum, Tenya and Momo interrupt him and Tenya tells Fat Gum that he is right to leave Tamaki in charge of the mission and begins to praise him saying that he is the most qualified for the position besides which is one of The Big Three of U.A., and then he and Momo finish talking, they tell him that they count on him for the mission and call him a leader, although they only manage to stress Tamaki.
- The mission of the Fat Gum agency is to find a Hero who saved a girl named Hime and the agency travels all over the city looking for that Hero. When they stopped to rest, Hime gets angry with Tamaki saying that they have not found their Hero yet and Tenya defends him saying not to worry because Tamaki is one of the best students in his school and to leave it to him because it is amazing. Tamaki puts his head to the wall and tells Tenya and Momo that they are amazing, telling Tenya that he is serious and hard-working with everything he does and that he is easy to get along with.
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