Takt not only wants to wear matching swimsuits but is having a hard time choosing one. Sorry, guys just pick something that is cheap 99% of the time. Even if the dude is not gay, he gay and just don't know it.
It was already explained by the author in a prior chapter Q&A extra that this is not our world but a fantasy that just happens to have technology. All the comments and yet no one gonna say anything about Tetsuo on page 15?