Take sage, drink no more milk tea, lengthen your pumping time & most importantly do this gradually until your milk supply stops. Learnt it the hard way - otherwise it’s a lot of engorgement and pain if you want to stop immediately.
Gradually decrease and prolong your pumping/expressing, from 3 times a day to 2, then to 1, it won’t take long for your breastmilk will decrease and stop naturally
You can try putting cabbage leaf over your breast in the morning and at night
Put cabbage leaf
Put cabbage leaves on both boobs for 30mins morning and night. By day 2 or 3 should no longer have any more milk output.