Maybe you can have him cosplay basically the only Touhou male character, Rinnousuke xD For Sailor Moon there's always Tuxedo Mask for a male character in the series (and it probably won't be a huge monetary investment either so that's nice too!) Or he can also crossplay another Touhou character.
AnimeConji 2014 - Kirito - Raishin
AX2014 - Chrom (Fire Emblem) WIP - Kirito - Shiba Tatsuya (Mahouka) - And one more SOMETHING?
AF2014 - Kaname (Vampire Knight) - Some from above too (not sure yet)