They’re second years already and it’s only ch. 24. Perhaps the author is trying to make up for the endless loop in Seitokai Yakuindomo by having his next work move a month at a time.
At this rate by chapter 37-ish they would be in highschool. Maybe they’ll go to Ousai then.
![ROFL :ROFLMAO: :ROFLMAO:](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
(Even better if Tsuda and co. are somehow around)