Ch.1-2, 6 I've no Idea about Boys - Thought about having unrequited love, they mutually sleep together to console each other.
Ch.3-4 The Gentlemen & the Beast - "Lend me a pen!" is their signal to have sex!
Ch.5 Could this be Love - Following ‘king’ on a chatting site just to let them order you around. Those who don’t follow the orders will have misfortune.
Otokonoko No Koto Wa Nani Mo Shiranai