In addition to the four Aranäs teams, 106 other teams from 14 different countries played in Girls 13. They were divided into 18 different groups, whereof HK Aranäs 2 could be found in Group 6 together with Vorup FB 4, Ajax Köpenhamn 2, H 71, H43 Lund 2, Kärra HF 2 and Oppsal IF 1. HK Aranäs 2 continued to B-Play-off after reaching 4:th place in Group 6. In the playoff they made it to 1/16 Final, but lost it against OV Helsingborg 1 with 8-11. In the Final, AEH Les Franqueses del Vallès won over BK Heid 1 and became the winner of B-Play-off in Girls 13. HK Aranäs also participated in Girls 12 during Partille Cup 2018. They reached the Semi final in G12 B-Play-off, but lost it against Torslanda HK 1 with 6-7.