>>159075
They're the epitome of moe, nothing triggers our protective male instincts more than a helpless needy girl who needs a caring boyfriend to reassure her that everything is going to be alright. Maybe that's the reason why girls with her eyes fully covered like 2B or the Fire Keeper are so popular, since you subconsciously assume that they're blind, which is true in the latter case ヽ(´∇`)ノ