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son
punk; brat
penis
せがれが無事に大学を卒業したと喜んでいた。
He was delighted that his son had safely graduated from university.
老舗の主人がせがれに店の経営を任せ始めた。
The owner of the long-established shop began entrusting management to his son.
せがれの嫁が来月から一緒に暮らすことになった。
His son's wife will be moving in with them starting next month.