godan verb (-u)
love each other; be affectionate toward each other
Mutual love or affection between two or more people. Often used for romantic partners, but can also apply to family or close friends.
二人は深く愛し合っている。
The two love each other deeply.
家族は互いに愛し合うべきだ。
Family members should love one another.
godan verb (-u)
Euphemistic or literary expression for sexual intercourse. Less direct than セックスする, often used in romantic contexts.
彼らはその夜、愛し合った。
They made love that night.