26 Younger Brother: 2 (fingering, sex), 6-7 (bj, licking + hj; hj), 10 (kiss), 14-15 (kiss, bj, fingering; fingering, sex), 16 (sex), 20 (kiss), 23 (licking, fingering, sex), 24 (sex), Older Brother: 17 (past kiss in hs), RAWS: https://newtoki468.com/webtoon/39335049
May the Best Brother Win