Character Relationship Map: Ebiten

Characters

• Itsuki Noya (played by Mariya Ise) — protagonist
• Kyoko Todayama (played by Kana Asumi) — protagonist
• Izumiko Todayama (played by Iori Nomizu) — supporting
• Hakata Kanamori (played by Asuka Nishi) — supporting
• Rikei Hiromatsu (played by Risako Murai) — supporting
• Hasumi Oba (played by Satomi Sato) — minor
• Yuka Iseda (played by Midori Tsukimiya) — minor
• Shoko Omori (played by Kaori Nazuka) — minor

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Izumiko Todayama → Shoko Omori (Mentor and Applicant)

  Episode 4 states Oomari-sensei (Shoko Omori) assists Izumiko in becoming the first outsider to officially join the club.

• Izumiko Todayama → Kyoko Todayama (Sister)

  In episode 4, Todayama Izumiko visits her sister, though the reason remains vague.

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Kyoko Todayama → Hakata Kanamori (Mental Support Partner)

  Episode 2 describes Kyoko orchestrating a magical girl battle specifically to snap Kanamori out of a mental breakdown.

• Kyoko Todayama → Itsuki Noya (Catalyst and Subject)

  Episodes 7 through 9 detail Kyouko pushing Itsuki to the limit, which triggers the release of unmatched pheromones and ultimate power.

• Hasumi Oba → Yuka Iseda (Reconnector)

  Episode 6 describes Ooba inviting Iseda to experience the club again to prevent another shutdown crisis.

• Kyoko Todayama → Rikei Hiromatsu (Wary Observer)

  Episode 3 notes Kyouko suspects Rikei is an alien infiltrator after the student arrives from another school.

• Kyoko Todayama → Yuka Iseda (Creative Collaborator)

  Episode 7 outlines Kyouko's goal to start a band, requiring Iseda and other vocalists to join the project.

• Hakata Kanamori → Itsuki Noya (Club Cohort)

  Episodes 8 and 9 show both navigating club dynamics while Itsuki's pheromones and true personality impact the group's stability.

• Rikei Hiromatsu → Hakata Kanamori (Crisis Navigators)

  Episodes 2 through 4 depict both members dealing with club instability, Kanamori's breakdown, and Rikei's infiltration simultaneously.

Story Analysis

Overall narrative architecture across all 1 seasons, tracking the Astronomy Club's survival, member dynamics, and hidden power revelations.

Plot Progression

1. Crisis and Collapse
2. Infiltration and Integration
3. Reunion and Ambition
4. Suppression and Release
5. Climax and Preparation