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) — The teacher facilitates administrative and social integration for Izumiko despite her vague personal reasons for visiting.

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

• Izumiko Todayama → Kyoko Todayama (Sister) — Izumiko's presence is tied to her familial bond with Kyoko, driving her initial involvement and complicating club dynamics.

  "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) — Kyoko actively intervenes to restore Kanamori's psychological stability during a critical crisis.

  "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) — Kyouko serves as the persistent pressure point that forces Itsuki to confront and unleash suppressed abilities.

  "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) — Ooba extends a personal outreach to bridge past disconnects and reintegrate Iseda into club activities.

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

• Kyoko Todayama → Rikei Hiromatsu (Wary Observer) — Kyouko maintains a cautious, investigative stance toward Rikei's sudden appearance and ambiguous motives.

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

• Kyoko Todayama → Yuka Iseda (Creative Collaborator) — They collaborate on a musical initiative designed to expand the club's reach and attract new members.

  "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) — They share the burden of club survival, adapting to internal shifts caused by Itsuki's emerging traits.

  "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) — They share the operational load of club survival, adjusting to sudden member turnover and internal crises.

  "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 — The Astronomy Club faces imminent shutdown, triggering Kanamori's mental breakdown and Kyoko's dramatic intervention.
2. Infiltration and Integration — New arrivals disrupt routines, sparking alien suspicions and teacher-facilitated membership approvals.
3. Reunion and Ambition — Ooba reconnects with Iseda while Kyouko pivots to forming a band to boost club visibility.
4. Suppression and Release — Itsuki's physiological symptoms escalate, culminating in a pheromone surge that alters group dynamics.
5. Climax and Preparation — Kyouko forces Itsuki's ultimate power breakthrough, after which the club channels energy into school fair preparations.