Rating: G. No, really. Or, if you insist, PG. Just to be two-hundred percent safe.
Warnings: FRIENDSHIP. That means no pairings. The horror.
Notes: After seeing Senga's appearance in SUMMARY 2004, I realized that he was merely a kid while Kitayama was a teenager already becoming an adult. Something must have changed since then, like among siblings when growing up. Plus, Kitayama's glare in the 2007 Christmas Shounen Club resulted the whole Butoukan thing.
( ...And there's Senga, wearing pure white in contrast to the bright blue-and-red signature outfit of Kis-My-Ft2 that Kitayama's wearing. )