Bofuri: I Don't Want to Get Hurt, so I'll Max Out My Defense., Vol. 6 (manga‪)‬

The fourth event starts with a bang as weaker guilds fall one by one…only to turn into an all out assault on Maple Tree! It’s a trial by fire for new recruits Mai and Yui as their base is targeted by the game’s top guilds. Fortunately, Maple and Sally are ready to back them up, launching an overwhelming counteroffensive! Will the pair’s extreme builds be enough to beat the odds?