The supporting character's harem is very normal - Chapter 269 You are very lucky to meet me.

Jian rue gazed back at the ugly gray alien while stumbling and running. he clumsily tossed a stone at it “Fuck just leave me alone!!!”Suddenly a warm pair of hand grabbed his waist and tossed him over a study shoulder.“Xing yu!! let me down! you fucker!!!”The said man chuckled and playfully smacked his butt. “Honey, I'm saving your life~”“I had it under control. Now, let me go!” Jian rue bit his shoulders hard until the sweet taste of blood filled his mouth.“Hiss.. baby, you're making me hard~”Jian rue froze. “W-why are you following me! why me..”Xing yu stopped running, and with a swing of his sword, the ugly tentacle alien was slayed. He gentnly pulled him down and hugged him close. Peering into his eyes, he smirked, “Because you are my betrothed,”

Arriving in a fantasy Otherworld, Gauss obtains an Adventurer's Handbook that grows stronger the more monsters he slays and collects. Gauss originally thought he was embarking on a classic adventure to defeat the Giant Dragon, kill the Devil, and save the kingdom. Yet, seeing goblins breeding like pests and multiplying endlessly, along with the fast-growing kill count and rewards in the Monster Atlas, his face grows increasingly helpless...“You have slain 1000 goblins! Intelligence +1, Strength +1, Constitution +1.”“The title 'Goblin Slayer' has upgraded to 'Goblin Expert'. You are an expert on goblins; few know better than you how to kill them.”“...”“The title 'Goblin Expert' has upgraded to 'Goblin Star Destruction'.”

In her former life, she was robbed of her status, her looks, and her reputation.

Burdened by the crushing debt of his parents, Lex never imagined a life beyond endless work and grief. But fate had other plans.One fateful day, an accident ends his mundane existence—only to thrust him into a world of fantasy. Reincarnated as a side character doomed to fail, Lex now inhabits the body of a so-called teacher—a fraud with no real skills, destined for disgrace.Standing at a crossroads, he faces a choice: follow the canon and flee from his inevitable downfall, or defy fate and carve his own path.Just as he considers running… a voice calls out.[Need some help?]Grasping the talent that his predecessor never realized he had, Adrian decided to defy his fate and become a true Runesmith.However, he never expected that once he would start on the path of becoming a Runesmith, he would start gaining so many connections.[Ding!][Cross-dimension group chat has been activated!][Hero of World Nebula: Old man, when can I get my sword done?][The untamed witch: When will you help me with my staff?][The obsessed one: Darling, when will you do me-I mean, when will you do something about my blades?]....what the heck is all this?°°°°°°°°°A/N:- Read the first few chapters, before deciding to drop it.English won't be perfect, but it will be readable.Additional tags: Cross-world group chat, possessive characters, sudden strength gain, overpowered MC, broken engagement.