Two kisses between teen guys and girls, both very brief, one chaste and one romantic but very darkly lit.

None.

As English subtitled, one "goddammit", one "shit", nothing else.

Legal drinking of beer and other beverages by younger and older teens.

One brief view of cigarette smoking.

A moment of minor worry when a character goes swimming some distance out in a river. Otherwise, just the stress of drama caused by awkward relationships and lack of communication skills by young persons.