Haruse Natsumi (春瀬なつみ)
Koi no daiundoukai / Toragoze no Tachi,
Nikkou Sukezane, Nihon'ichi Norishige
Release date: September 20, 2019
01 Koi no daiundoukai with Takamori Natsumi
& Nakamura Sakura
02 Koi no daiundoukai (instrumental)