Well, this changes everything about ability class selection. It turns out the scientists there can manipulate the results, so perhaps some characters receive the same treatment as Hiroto.
Asou's ability (Soul Link) is parallel to Hiroto's, and she's in E Class.
Shiranami's ability (Storage)...
Hope Okitsu will reject the offer from student council or maybe Hiroto will interrupt Sanzenin plan when he go to class 1-C (cuz Takarada and Okitsu are in the same class)
If Hiroto further studies and trains his abilities, he will definitely become an S++ rank ability user. Imagine a power with the potential to defy death, even with "instant death" he will not die because he can control the realm of the dead. He can also able to gain unlimited abilities with the...