What If I Had Chosen a Different View?

"I was summoned to another world as the hero who would defeat the Demon King and save the world. I was told to choose the strongest mage to carry out the mission with me... [A special gift for the hero (Ω) who will save the kingdom! Please choose the person to summon as the strongest mage (α)!] 1. My sixth cousin (Yoon Joo-hyung) 2. My part-time job coworker (Kim Jae-beom) 3. My childhood friend (Baek Gyu-han) 4. My boss (Kim Jong-hyun) 5. The man next door (Kang Cheol-yong) Among them, the only one who could help me was my friend Baek Gyu-han. But... what are those strange symbols (Ω, α)...? * "What the fuck, Yoon Jae-yoon. You... what is this...?" "Huh? Wh-what are you talking ...