The Emperor and his Shadow
Akashi Seijuurou x Kuroko Tetsuya
Set in an alternate universe when military superiority governs the country before the war broke. Akashi is a high-rank military officer and he was assign in strategic headquarters as a strategic tactician. Despite of his young age,he gains so much respect and fears by his subordinates. Aces in all aspect of military; combat, weaponry and specially tactics.
Kuroko is in special force.specifically spy and assassin. Due to his lack of presence,he is perfect secret weapon of the military. In early years of his childhood he is a weakling but after an extreme military training and some in-human experiment, it makes him a perfect killing machine.
After the war ends, the government mandatories it's citizen to attend a normal academic school as usual,no matter how your social status and backround is.Akashi and Kuroko is now 17 years old and as the said,they're require to attend school.