My Yandere Younger Sibling Obsesses Over My Breasts (Feat. X-Nipple Complex)

Haemin has suffered from a long-standing complex over his nipples, which are unusually large and pink for a man. He had been careful his entire life, but after entering university and starting to live with Taeseo—the younger boy from next door—his chest is finally exposed... “Why would I move? I’ve held back for so long that it’d be a waste to stop now. If you wanted someone to suck them, you should have come to me, right?” “You’ve got it all wrong! I—I was just born like this! Honestly, think about it, huh? Who in their right mind would actually enjoy sucking a guy's nipples?!” “What? Why wouldn't I? I mean, if it's your body, Hyung, I'm crazy enough to want to suck everything from your...