Volumes 1-6 (ongoing)

Its a female hardcore gamer that gets pulled into the world of the MMO.

She uses her knowledge to become an adventurer, switch classes to a healer, become powerful (mainly pure support) and travel the world.

What's interesting in game based isekai are how game systems are implemented and how accurate the world is to the game with NPCs/Events.

Seems like the status screen, quests and events exist for everyone but no one understands all the pieces. So people have professions like warrior and mage but no concept of proper builds. Ommiting extra spoilers here.

Then comes a hardcore gamer...