Vocabulary consisting only from characters you are able to read
次々
つぎつぎ
in succession, one by onejlpt3
係る
かかわる
(1)to be the work of, to be the result of, to be done by, (2)to concern, to affect, to involve, to relate to; (3)to be affected, to be influenced, (4)to be concerned with, to have to do with, (5) godan, verb, vintrans