Vocabulary consisting only from characters you are able to read
母語
ぼご
mother tongue, native languagemix
いつの間にか
いつのまにか
before one knows, before one becomes aware of, unnoticed, unawaresjlpt3
小ちゃい
ちいちゃい
small (babytalk form)adj
学力
がくりょく
scholarship, knowledge, literary abilitymix