〜げ seeming, -looking

Practice

厨房(ちゅうぼう)の熱狂(ねっきょう)と、料理人(りょうりにん)たちを一糸(いっし)乱(みだ)れぬ規律(きりつ)で導(みちび)く慎二(しんじ)の統率(とうそつ)力(りょく)を見(み)つめ、満足(まんぞく)（　　）に口元(くちもと)を緩(ゆる)める

Watching the fervor of the kitchen, and Shinji's command leading the cooks in perfect order, with a satisfied smile. (N1 lesson 270)

Answer

げ