Yea, probably to drag the story for a bit much further or this will be the catalyst for Komi-san to understand her feeling towards Tadano.
Poor manbagi only to be served as steppingstone for the main character.
I hope there's a rule34 of Tadano cheating on Komi with Manbagi, like a reverse NTR.
Manbagi is too good. Ah but Komi san is also good. Can`t decide. But we all know what`s gonna happen. Poor Manbagi. Only there to have her heart crushed
Next chapter
Komi: wanna go around the festival together Tadano?
Tadano: Sure.
Komi: *happy trembling*
Tadano: BTW, manbagi asked me too so we can go together.
Komi:*sad sigh*
Tadano:?