As far as i understand they have romantic feelings for each other since they where kids. Its like loving a person but a wrong time but fated to each other. Yepp(▰˘◡˘▰)
late but i understood it as baron had trouble in school bc he is mixed and looks more demon than angel. he told mono that he wanted to be an angel and learn to love humans etc... at one point mono got recommended for the angel defense thingy (dont know if its training or work) but he didnt take it and gave the slot to baron. ppl are their school seemed to be gossiping abt it and talking sht abt baron. baron cried and got mad at mono bc it felt like he didnt believe that baron could do it on his own.
Can someone please explain the relationship between Baron and Mono? Like why is Baron's crying face the most important memory of Mono?