The first volume of the Strawberry Panic! light novel series was released, starting the franchise.
The Strawberry Panic! manga series began serialization, expanding the story's reach.
The anime adaptation of Strawberry Panic! aired its first episode in Japan.
The final episode of the Strawberry Panic! anime aired, concluding the TV adaptation.
Nagisa Aoi transfers to Astraea Hill and moves into the Spica Dormitory, beginning her adventure at the three affiliated girls' schools.
Nagisa encounters Shizuma Hanazono, the Etoile of the schools, marking the beginning of a significant relationship in the story.
Nagisa officially becomes a member of the Starfish House within Spica Dormitory and begins developing close friendships.
Shizuma and Kaori are confirmed as the reigning Etoile pair, celebrated during a school-wide ceremony.
Nagisa and Shizuma confess their feelings, solidifying their bond while facing challenges from other students.
Nagisa experiences jealousy when Tamao Suzumi, a lively and flamboyant girl, shows close affection to Shizuma.
Tamao Suzumi is elected president of Spica Dormitory, taking on leadership responsibilities.
Kaori Sakuragi leaves the school unexpectedly, affecting the Etoile dynamic.
After Kaori's departure, Nagisa is chosen to become the new Etoile alongside Shizuma.
Yaya Nanto and Tamao Suzumi acknowledge their romantic feelings for each other, progressing their relationship.
The current Etoile term comes to an end with Nagisa and Shizuma deciding the future of their relationship.