An Obane 2030 series remodeled car. Introduced to replace the Obane 2050 series. (She is quite a beauty, by the way.) Based on the Tobu 30000 series, her interior and face are very similar. (She is actually a relative of the Tobu 30000 series.) Her favorite place is Hongo-Jingumae Station.

The older sister of the 2030 series remodel. A formation connecting the 0-series and 400-series, featuring various differences. Her favorite food is parfaits.

The older twin sister, equipped with box seats. She loves her younger sister. Her favorite drink is a caffè latte.

The younger twin sister. Like her sister, she is equipped with box seats. She loves her older sister. Her favorite drink is a caffè latte, just like her sister's.

The eldest son. The initial production model of the 2500 series. Characterized by a silver face, this car has many older design elements. He is a boy, and his favorite drink is coffee.

The second son. Introduced in 2026 as a derivative model that inherited the design of the 2000 series. His favorite food is white rice.

The third son. Introduced in 2026 as a minor change model. Various facilities have been updated. His favorite food is beef bowls from Yasukoya.

The fourth son. Introduced in 2026 as a late-model version of the 2500 series 40-subseries. Many changes were made. His favorite food is udon.

The limited express version of the 2000 series. He is a boy and handles operations equivalent to the OB778 series (limited express duties). His favorite drink is milk. Apparently, he is quite handsome.

Also a limited express version. She is a girl and mainly handles limited express duties on the Itoi Line (such as the Asakaze and Itoi services). She is friends with the 2040 series Itoi Line car. Her relationship with the 001 series 3000-subseries is... a secret. Her favorite drink is coffee milk.