: True to the circle’s name, many of these illustrations feature the character in a seated, relaxed pose (the "In Chair" motif). This choice subverts her usual commanding presence, offering fans a "behind-the-scenes" look at the carrier's life at the naval base during downtime.

Jinnai's portrayal of Graf Zeppelin—a German aircraft carrier anthropomorphized as a "Ship Girl"—stands out in the KanColle fandom for its distinct shift from the game’s standard military-stern persona to a more intimate, modern, and often casual "lifestyle" aesthetic.

: Jinnai's work under the [ROCK_inChair] label typically features high-contrast lighting and a "soft-focus" digital painting style. Unlike the original game art by Fumikane Shimada, which emphasizes sharp lines and military gear, Jinnai’s "Sawa" version focuses on the character's personality in relaxed settings.

This specific title refers to a character illustration of from the Kantai Collection (KanColle) universe, created by the artist Jinnai (often associated with the circle ROCK in Chair ).