Saredo Tsumibito wa Ryuu to Odoru: Dances with the Dragons

Jushiki (lit. spell equations) are the equations that govern the quantum constant h of action, change the laws of physics at the local scale, give birth to TNT explosives and poison gas, and cause incredible physical phenomena such as plasma and nuclear fusion. Two jushikishi (spell equationists) who use jushiki in battle are Gayus (who deals with bad luck with tact) and the beautiful but cruel sw...