Hiryu Rin/Synopsis

U.A. Sports Festival Arc
All of Class 1-B participates in the Obstacle Race along with the rest of the 1st-year students. When Shoto Todoroki causes one of the Villain Robots to collapse, Hiryu suggests to the participants to team up temporarily to move the robots out of the way. He is revealed to be one of the few students who doesn't agree with Neito Monoma's plan to stay in low ranks to overthrow Class 1-A, although he scores 32th place in the Obstacle Race.

After the previous event, he teams up with fellow classmate Jurota Shishida in the Cavalry Battle. He attempts to snatch Team Midoriya's headband like many other competitors but Team Todoroki ends up freezing multiple rival teams, including his. Hiryu and Itsuka Kendo watch in despair as Shoto makes off with their stolen headbands. As the event ends, Hiryu is unable to continue to the tournament finals.

Forest Training Camp Arc
On the day of the forest lodge trip, when Neito Monoma mocks Class 1-A, Hiryu is seen observing.

When Class 1-B arrives at the training camp. Homeroom teacher Vlad King explains they will be extending their Quirks and the more they use their Quirks, the stronger they will be by breaking their limits. Class 1-B witness Class 1-A's training and Hiryu notes that seeing their rivals push themselves to their limits is quite terrifying in terms of overwork. The Wild, Wild Pussycats appear to explain that they will be there to help and guide them in their training.

On the night of the third day, Class 1-B act as the scaring group during the test of courage exercise. However, that night the Vanguard Action Squad also attacks the camp. He’s one of the many people incapacitated and placed in critical condition by Mustard's gas.

Shie Hassaikai Arc
Neito Monoma reveals that all of class 1-B have passed the Provisional License Exam.

Joint Training Arc
Hiryu and the rest of Class 1-B are pitted against Class 1-A as part of the Joint Training Battle. Upon selecting teams, Hiryu is paired up with Jurota Shishida, Ibara Shiozaki, and Kosei Tsuburaba for the first match.