Looking for one person to move in

We are three people. We are looking for 4th person. We share electricity and bins bills. There are two people in each room. Electricity is 40eur a month per person. The room is twin room with two single beds and you will share with korean male.
The other two people are one korean female and one polish male. rent is 85eur a week

House is located 5min walking distance from St Stephens green park.