It sounds like you are looking for a (にほんしょほ / 日本語初歩) for the N4 level .
is the original name of the textbook series better known as "Japanese for Beginners" or the first book of the "Japanese for Busy People" series (published by Kurosio Publishers). That specific book covers roughly N5 (elementary basics), not N4. nihongo shoho n4 pdf
Would you like a list of from official sources (like JLPT sample questions or study guides)? It sounds like you are looking for a
However, there is an important clarification to make: nihongo shoho n4 pdf