How is Sumiko connected to other characters?

Sumiko has 5 mapped relationships in The Kawai Complex Guide to Manors and Hostel Behavior. Explore the interactive relationship map for details.

Sumiko in The Kawai Complex Guide to Manors and Hostel Behavior (2014) — Character Profile & Relationship Map - RichlyVa - Visual Story Explorer | Character Maps & Universe Timeline Database

Sumiko is played by Sanae Kobayashi.

Sumiko — Professional Landlady — Kazunari Usa (Yuichi Iguchi)
Runs the Kawai Complex boarding house
Sumiko — Professional Tenant — Ritsu Kawai (Kana Hanazawa)
Lives at Kawai Complex under Sumiko's management
Sumiko — Professional Tenant — Shirosaki (Go Shinomiya)
Lives at Kawai Complex under Sumiko's management
Sumiko — Professional Tenant — Mayumi Nishikino (Rina Sato)
Lives at Kawai Complex under Sumiko's management
Sumiko — Professional Tenant — Sayaka Watanabe (Hisako Kanemoto)
Lives at Kawai Complex under Sumiko's management