Maria Rose is often misidentified as a girl but is actually a boy. He is burdened with debt after a strange incident and his sword, "Fake Consuming Inferno," is taken away. In the meantime, Katari from Maria's clan has come across some valuable information. However, to acquire it, they have to embark on an "Underground Raid," which turns out to be more challenging than expected. This tale chronicles the captivating journey of Maria Rose, aka "Cracker," as he navigates love, friendship, and adventure.