逢瀬おうせ
ōse

Noun

1. rendezvous; tryst; (lover's) meeting; (secret) date

友理子ゆりこはたまの逢瀬おうせ心行こころゆくまでたのしんでしまいました。
yurikowa tamano ōseo kokoroyukumade tanoshinde shimaimashita.
Yuriko thoroughly enjoyed her occasional secret meetings with her lover.