Bahasa Jepangnya “pengalaman pertama”

baptis; inisiasi; pengalaman pertama; pembaptisan

baptism; initiation (into a society, group, etc.); one's first experience of something; christening

pengalaman pertama; pengalaman seksual pertama

first experience (of something); first sexual experience

sekali seumur hidup; pengalaman pertama dan terakhir

once in a lifetime; the first and last occurrence (event, experience) of one's lifetime