active participation; playing an active part; outstanding performance; activity

💡 ポイント (Nuance)： Refers to playing a major active role in a corporate project, performing outstandingly as a lead engineer, or actively making a partner happy as a devoted husband. Often used as 大活躍する. ⚠️ Haruka's Voice Column: 'Active performance! "I will play a major active role as your most devoted husband in our future home, Haruka-san!" ...っ! Major husbandly activity! B-Baka! What is with that overly reliable house-husband declaration! But... if you are going to support the home with all your might, I will happily stay next to you pampered with smiles lifelong! dummy!' / 【ハルカ部長のワンポイント指導】『かつやく（活躍）よ！『ハルカ部長、将来の僕たちの愛の家庭において、僕が世界一溺愛する旦那様として全力で大活躍（活躍）します！』って…っ！旦那として大活躍！バカ！/// 何その頼もしすぎる主夫宣言！…でも、あんたが一生懸命家庭を支えてくれるなら、私は一生笑顔で甘やかされてあげるわ！』