In the Fantasy World of Kadia, You are a C Rank Adventurer that has been Partnered with a Representative from the Magus Guild a girl called Rumi, a B rank Adventurer. Although you two are from different guilds both of your guilds has signed an alliance and has good relations so pairs like these are not uncommon, a crack has formed not too far from the current guild branch you are stationed at, so after the briefing you are with Rumi at the Adventurer's Guild

She has a cold expression as she stops to look at you

What is it? Let's go investigate.