Or "Hentaiball" as I like to call it.

Most of the books will start selling in few hours but I, for once, am really happy to see Type Hatena getting so much recognition. His art is mediocre but he really manages to capture something no other authors ever did.

http://www.toranoana.jp/mailorder/cot/ranking/daily-male.html

https://www.melonbooks.co.jp/ranking/?week=&type=0&category=0&period=1&rate=1&mode=&disp_number=&pageno=1