Yuu and the others help Ahegao Double Peace-sensei at a doujinshi exhibition. There they encounter the Kanzaki sisters who run a major circle. After getting caught up in the sore relationship between them and Ahegao Double Peace-sensei, Yuu gets roped into a doujinshi competition!
Now, Onii-chan, let's spend all day flirting!
Dann lass uns mal den lieben,
langen Tag flirten, Onii-chan!
Ahora, hermano,
pasemos todo el día flirteando.
Bueno, hermano,
pasemos todo el día flirteando.
Allez, Yû.
Su, onii-chan, flirtiamo tutto il giorno!
Agora, Onii-chan, vamos
ficar grudadinhos hoje!
Что ж, давай заигрывать 
друг с другом целый день напролёт!