I didn't actually do any reporting. Don't worry and don't shoot back at me seriously. Feel free to shoot me for fun though.
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Still, ice is a pretty cool and useful attribute to have (no pun intended) especially in a medieval fantasy world. You can stab someone with an icicle for fatal kills and it probably won't harm material quality as much as fire, you can slap someone with an ice block for non fatal attacks,
Most importantly, you can have cold drinks. Honestly, I love cold drinks to the extent I can't survive w/o them.
For others with sweet tooth, what is the world w/o ice cream?
@feha : It's only rare, the teacher already said there's teacher who teaches ice magic in the same chapter.
Heck, even her color change was only a mild surprise to him, again it's just rare but not without precedence.
The grades she refer to is actual studying grade, y'know, like math and all that stuffs, not just magic.
For people who want spoilers
No, she never beat him through all 5-6 years they're in school. Earning her the nickname of "Eternal 2nd" (much like a certain Special A heroine)
Even the one time she got first place was in an event where male and female students are separated, thus without him being the blockade she got 1st place...for female group.
In fact her desire to beat him is so strong that it's only when he himself ask her what's her plan after graduation, on graduation day, that she finally mention she want to be receptionist, to the surprise of everyone.
That said, she's...oblivious to some details...I'll paraphrase a certain moment that capture it best.
Nana "Teacher, how can I improve my grade?"
Teacher "...You already got perfect score tho?"
Nana "I still can't beat that guy"
If a test is grade out of 100, she'd get 100, and he'd somehow get 103.
And nope, 0 chance of romance, this girl is too dense/workaholic for that.
And ice magic is awesome. Imagine the amount of money that will come rolling in once you start a business of providing ice blocks in the middle of summer. She can even sell ice creams in the middle of summer. She'll be set for life.