How Do We Relationship? (2026) featured a cast of 9 tracked actors. Of these, 9 (100%) are still alive today. The oldest surviving cast member is Kuu Izima, age 31. This TV series starred Riho Sayashi and Sakurako Konishi.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast9 members
| Person | Character | Status | DOB | Age | DOD | Age in 2026 |
|---|---|---|---|---|---|---|
 Riho Sayashi Saeko Sawatari | Saeko Sawatari | Living | 28/05/1998 | 28 | — | 28 |
 Sakurako Konishi Miwa Inuzuka | Miwa Inuzuka | Living | 29/03/1998 | 28 | — | 28 |
 Ayaka Konno Yuria Washio | Yuria Washio | Living | 24/06/1999 | 27 | — | 27 |
 Eiku Yamashita Mikkun | Mikkun | Living | 19/12/1999 | 26 | — | 27 |
 Kasumi Yamaya Shiho Kumagai | Shiho Kumagai | Living | 26/12/1996 | 29 | — | 30 |
 Reina Kurosaki Rika-chan | Rika-chan | Living | 11/11/1998 | 27 | — | 28 |
 Kuu Izima Tsuruta | Tsuruta | Living | 31/05/1995 | 31 | — | 31 |
 Yo Aoi Rucha | Rucha | Living | 25/12/1995 | 30 | — | 31 |
 Ryō Hashimoto Kamedo | Kamedo | Living | 30/10/2000 | 25 | — | 26 |