involvement
https://gyazo.com/201e991fcd09347432c6f466bd43df79
source: [NEW GAME!の涼風青葉がサバゲーの格好をするGIF画像|無料GIF画像検索 GIFMAGAZINE 975626] noun
【活動などへの】参加(participation), «…との» かかわり合い, «…に» (人が)巻き込まれること «in, with»
e.g. he was imprisoned for his involvement in a plot to overthrow the government.
⦅くだけて⦆ 【人との】親密な[不倫]関係 «with»
e.g. she knew that involvement with Adam would only complicate her life.