Akasaka can be a pushover. Her indecisiveness or thinking if the other person will get offended could bring her in a bad position someday.
The guys down there said that Momogiri seems interested to Mameko. Much better than with Akasaka. And I'm not sure if Gocchi is interested with Mameko anyways.
@icarushector At first I was confused with their relationship too. I thought the homeroom teacher was the eldest sibling and not living with them. So I had to back read, and on chapter 5, Jooho explained to Nari that their Homeroom teacher is childhood friends with his Noona. Meaning they're not...