Introduced in 1985 to replace the Series 500. Still carrying passengers today. 10-car formation. 4 doors. A handsome older man. Recently into bonsai. Favorite food is tempura soba.

Introduced in 1986 for the Maki-Minami Line. 2-car formation. 4 doors. Also a handsome older man and the younger brother of the Series 800. Enjoys reading. Favorite food is tonjiru (pork soup).

Introduced in 1990 for through-service on the Ryotsu Metro Ryotsu Line. (As of 2024, also runs on the Shinto High-Speed Railway and Shintetsu Shin-Hama Line.) A young boy. Favorite food is miso soup.

The eldest daughter. Introduced in 2020 ahead of the Shinto extension of the Nisaki Main Line. 10-car formation. 4 doors. Also runs through to the aforementioned lines. A young girl. Favorite food is omurice.

The second daughter. Introduced in 2021 for the Kamamachi Line. 4-car formation. 4 doors. Replaced the Series 300. A little girl. Close with the Series 2000. Favorite food is Neapolitan pasta.

Introduced in 1993 as a next-generation test vehicle. Equipped with various new technologies. 10-car formation. 4 doors. A young man. Wears glasses. Favorite drink is orange juice.

Introduced in 2021 with the Shinto extension of the Nisaki Main Line. 10-car formation. 4 doors. Equipped with dual seats. A femboy. Active as a model. Favorite drink is cafe latte.

Introduced in 2023 as the Series 8000 to commemorate the 80th anniversary of Nisaki Electric Railway. Features the traditional Kamamachi Blue. 10-car formation. 4 doors. Also runs through to the aforementioned lines. A girl who wears glasses. Actually a beauty. Favorite food is salt ramen.

Introduced in 2024 with the opening of the Shinto High-Speed Railway. (Also runs through to the Ryotsu Metro and Shintetsu lines.) The flagship vehicle of Nisaki Electric Railway. 10-car formation. 4 doors. A refined young lady (ojou-sama). Enjoys reading and dolls. Favorite food is stew.

The third daughter. Debuted in 2026 with the opening of the Nanako Line. Features longitudinal seating and is based on the Keisei 3200, but with 4 doors. Available in 4-car and 6-car sets, which can couple into a 10-car set for the Nisaki Line. (Note: Not compatible with mutual through-service.) A little girl. Wears a ribbon on the upper left. Favorite food is udon.