Bug of This

const name = "bye"
var student = {
    name: "shopnil",
    age : {
        name: "iftekhar",
        intro :function(){
             this.name = "hello"
            function funcTwo () {
                // this.name = "func"
                function funcThree () {
                    function funcFour () {
                         function func()  {
                            console.log(`${this.name}`);
                        }
                        return func
                    }
                    return funcFour
                }
                return funcThree
            }
            return funcTwo;

        }
    }
}
student.age.intro()()()()()