Well, if it’s skin has the same proportional thickness of a regular yu, you’d probably need a NLAW to pierce through to bean paste.
If it’s skin *isn’t* proportionally thick to a regular yu, cutting it open would pretty much instantly drown you in gallons and gallons of bean paste like the Boston Molasses Disaster.
i think if you put some chopped down some trees in its path and pointed them at it like a spear i could impale its self. or if you were somehow able to set its hat on fire with gasoline or climb into its butthole with scuba gear on and some lemons you could find the core and destroy it .
Morisa specially protected by the Japanese Government
Recognition No. 1211
PENI-DAINAGONN
Dainagonn: A variety of adzuki beans with bigger seeds