@i miss dead people It's a BL between a delinquent and a "good kid" so OF COURSE the delinquent is gonna be the uke. It's like it's an unspoken "rule" of BL that the deliquent has to be the bottom. 
Ask me about my 70+ lists, including Omegaverse, Esperverse, Dynamicverse, and Cuteness Overload!
