Your body isn't buried under this cherry tree, Yuyuko, sir.

However, I did find your test answer sheets.

Japanese: D-. Arithmetic: D-. Drawing and Manual Arts, Music, Science, and Human Friendship Level are all D- too.

Bury them again, 200 yojana deeper this time. A "yojana" is an ancient Indian measure of distance, somewhere between 12 to 15 km.