きょくせんび
curvilinear beauty; curvaceousness
Noun
「車くるま購入こうにゅうの決きめ手てとなったのは、ズバリ何なにですか？」「車体しゃたいの曲線美きょくせんびに惚ほれました！」
"What exactly made you decide to buy the car?" "I fell in love with those beautiful curves along its body!"