Yasashii Pants no Nugasekata; 優しいパンツの脱がせ方
From Hero Scans: Yachino Haruma and Shida Ryouhei were once childhood friends as close as brothers. After hearing that Ryouhei has a girlfriend, Haruma masturbates while imagining Ryouhei touching him as he would his girlfriend. Unable to bear the weight of these hidden desires and one-sided love, he distanced himself from his closest friend. Now that high school has brought them back together, is Ryouhei harbouring hidden desires of his own?
– chapter 1