Enthusiasm for a group outing with 乗り気
Vocabulary Explanation: Enthusiasm with 乗り気

Kikuchi asks Futaba out. He says if she prefers, they can invite their friends along as well.
After school, Futaba brings it up with her friends. Yuuri says she’ll go if Kikuchi’s friend Uramiya is there.
- 悠里:
- 「でも双葉
( ちゃんが乗( り気( じゃないんなら…」- “But if you're not interested...”
- 双葉
( : - 「うーーーん」
- “Mm...”
Key Points
乗
( り気( means interested or up for itYuuri is checking whether Futaba actually feels willing to go.
The negative じゃない means “not interested” or “not into it”.
んなら is casual のなら
乗
( り気( じゃないんなら means “if you are not interested”.The contracted form fits a casual conversation.