ZUKO-070 I'm troubled because I'm too popular with four classmates, so let's make a baby

Your group of four close classmates all hate you. One afternoon after you skipped school early with a fake illness, they swarmed in and disrupted your peace. While receiving overprotective care, you broke the friends agreement and had sex, or took baths together because you were better, or they insisted on staying overnight because they were worried and attacked you while you slept… In the end, things escalated into a harem orgy to possess you.