KitKat's manga / #AnotherWorld(2)

#1 assassin reincarnated by goddess, to kill the hero Raised in an assassins family, trained all skills young His magic trainer, 2y older, they become close, Dia An assassination request came for Dia, "accepted"

Chap 26 Messaging inviting them to a game. Transported to dimension Fights monsters to survive. Gain skills and titles. Hero, common etc He is calculative. Gathers the strongest. Tank, swordsman, mage Mage is obsessed with him, murderious jealousy. They go on dungeon quests for supplies