This is a short and silly comedy which revolves around BL/Yaoi theme. It lasts 36 minutes (3 mins per episode), so a plot and character development aren't expected. Despite being short, the show has somewhat diverse characters - protagonist who secretly read BL, protagonist's friend who dislikes BL, a popular guy who crossdresses, guys who adore the popular guy and do chores for him, a BL author, and a fujoshi. The jokes are based on hiding that characters like BL or they relate everything they see as BL, which is mostly silly and can make you laugh if you are familiar with the theme (more if you are into BL). I guess the joke is about the original meaning of the word which describes fans of such themes - "rotten", the characters know their interest is found disgusting by many and some jokes are situations where public notices someone being into BL.
If you dislike BL/Yaoi theme, better skip this show if you don't want to be bored. The show is short silly fun which should be taken lightheartedly. I give this show 7.5 our of 10.