Why is Rinna Sawagami Nervous?

Why is Rinna Sawagami Nervous? (沢神りんなはなぜソワソワしていたのか) is the sixteenth episode of Kamen Rider Drive.

Synopsis
to be added

Plot
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Cast

 * Shinnosuke Tomari (泊 進ノ介): Ryoma Takeuchi (竹内 涼真)
 * Kiriko Shijima (詩島 霧子): Rio Uchida (内田 理央)
 * Chase (チェイス): Taiko Katono (上遠野 太洸)
 * Go Shijima (詩島 剛): Yuu Inaba (稲葉 友)
 * Jun Honganji (本願寺 純): Tsurutaro Kataoka (片岡 鶴太郎)
 * Rinna Sawagami (沢神 りんな): Rei Yoshii (吉井 怜)
 * Kyu Saijo (西城 究): Kenta Hamano (浜野 謙太)
 * Genpachiro Otta (追田 現八郎): Taira Imata (井俣 太良)
 * Narration (ナレーション), Drive Driver's voice (ドライブドライバーの声): Chris Peppler (クリス・ペプラー)
 * Brain (ブレン): Shota Matsushima (松島 庄汰)
 * Heart (ハート): Tomoya Warabino (蕨野 友也)
 * Medic (メディック): Fumika Baba (馬場ふみか)

Shift Cars & Signal Bikes

 * Cars Used:
 * Type Change:
 * Tire Exchange:
 * Type Used:
 * Bikes Used:
 * Form Change: Signal Mach
 * Signal Exchange: TBA
 * Form Used:
 * Mach
 * Mach

Errors

 * to be added