First one is pretty tight.
ありがタイツ！or Arigatights! by Grande For Uechi Daia, tights are more than a piece of cloth. They're divine, they're universal, with tights the possibilities are endless... so yeah, he has a tight fetish. But not just any tights. He's specially interested in Tsukiashi Ami's, his childhood friend, tights. But due to him losing his middle school friends when they discovered his fetish, he swears that no one will ever know his secret again, not even Ami. But how he'll do that with her being so close to him? A ridiculous plot with pretty cute art. Ami is not the only girl who appears in the series, and every one of them treats Daia very differently. This is the source of most of the comedy and I must admit that it's pretty funny seeing Daia "dying" in every chapter.