what does page 1 mean? i dont understand baka me :(
Page 1 is a flashback. Usually pages with black backgrounds are memories/from the past/flashbacks. This one is from before Ito ever met the real Sumika and Ito still idolized her. So she was celebrating her fave idol's birthday on her own.
She was remembering it while sitting across the actual Sumika that she somehow managed to become close to and start dating?! So that's why she's like 'wow, this is too much'/ "sigh, this is too extravagant", cause she can't believe that who she was back then is sitting across the very person she once idolized.
finally i understand, thankyouu