A Happy Island Life in the Azure Sea

【Yuri + Four Catastrophes + Supernatural Classes + Island Base + Secret Realm Dungeons + Decisive and Ruthless + No Saintly Heroine + No Male Lead】 Seele and Bronya were on a date at a private island beach, just about to kiss, when a sudden streak of starlight interrupted them. They were forced to join a game called the Endless Island World. Seele's undead + Bronya's machine intelligence = Warhammer 40,000 Necrons The Azure Sea would show their rivals that the sea of the dead is still a sea, and cannons can be sniper rifles! What if your skeleton soldiers are weak? Easy! Put an AK-47 in one hand and an RPG launcher in the other! What if they can't shoot straight? Just charge in and open fire at point-blank range! (This novel is called World War III in Another World!)