Live-Action My Sister's Boyfriend Film Adds Rinka Kumada, Reo Matsumoto
The teaser trailer and poster visual for the live-action film of Amu Meguro's manga announced two new cast members. Rinka Kumada plays Momo Sanae, Sui's older sister and Midori's girlfriend. Reo Matsumoto plays Ayame Mizukawa, Sui's childhood friend. The film stars Masaki Hashimoto as Midori and Runa Nakajima as Sui, and Mahito Kimura directs. It opens in Japan on December 4.