Konosuba: God's Blessing on This Wonderful World!, Vol. 16 (light novel)

In the wake of the chaos wrought by Selena, Aqua runs away from home,leaving only
a note behind...bearing a request to chase after her. Witheveryone''s favorite mascot
nowhere to be found, the whole of Axel descendsinto tumult. However, with Kazuma
having reverted to level one, there isn''tmuch he can do to help. That is, until Megumin
drags him off to do some GiantToad hunting and he gets a power up so crazy it''s
basically cheating. It''stime to get off the couch and chase after that runaway goddess!