Btw you can have a 25% discount through this link at asos code with promo code WOW25 at checkout at asos.com
How to use asos.com coupons :
1 – Copy the coupon/ promotion / discount code WOW25.
2 – Go to website asos.com and remember to paste the code copied to the coupon/discount/promotion box at check out page
3 – Wait for the discount and Enjoy your order