チャームポイント
chāmupointo

Noun

1. most attractive feature (of a person)

先輩せんぱい、嫌味いやみなくらいの完璧かんぺき超人ちょうじんでしたからね。だからぎゃくにその「癖くせ」は先輩せんぱい可愛かわいげ・・・というか、チャームポイントでしたよ。
sempaiwa iyaminakuraino kampekichōjindeshitakarane. dakara gyakuni sono"kuse"wa sempaino kāige...to iuka chāmupointodeshitayo.
You were always a perfect 'superhuman' to an infuriating extent, and so that 'habit' was actually one of your cute, or rather charming, attributes.

From English "charm point"

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