Vocabulary consisting only from characters you are able to read
初体験
šotaiken
(1)first experience (of any activity), (2)first sexual experience; (3)first experience (of any activity), (4)first sexual experience mix
当たり前
atarimae
(1)natural, reasonable, obvious, (2)usual, common, ordinary jlpt3
単位
tan'i
(1)unit, denomination, (2)credit (in school) mix