research student for 3 months in japan, touist visa china...pakistan passport

Hi, I am having a valid student permit till september 16 for australia, here in japan since august this year, wanna visit great wall and beijing friends dor 4 days, looking forward to apply L type. Can I get further information about it. prepared all, pasport, resident card, form, photo, and ticket and hotel booking Shall I go inperson?
Thanks