Is this Ai's sister? It looks like her... Any chance someone could translate the sign in the top panel? Presumably it's about the graduation, but if it mentions middle or high school that might be informative...

EDIT: Ai-chan's sister's middle school graduation indeed. And every guy in sight is hitting on her.

In other news, the second button thing is supposedly more for males, but given the position of that button I think I can see what these guys are after... A note on the concept from wikipedia:

The second button from the top of a male's uniform is often given away to a female he is in love with, and is considered a way of confession. The second button is the one closest to the heart and is said to contain the emotions from all three years attendance at the school.

In this case, the boys are asking for her strength in the second button that held endless possibilities for three years.

ALostRouter said:

In this case, the boys are asking for her strength in the second button that held endless possibilities for three years.

I strongly doubt that she's managed to fit in the same uniform for three years. That button's seen 6 months duty, tops.

ranko.dd said:

I strongly doubt that she's managed to fit in the same uniform for three years. That button's seen 6 months duty, tops.

If she were inclined to give them out, she probably has enough second buttons for all of them.

Potential that kept those puppies in check~

I wonder if she'll hunt her own salary man or just go for volleygirl's lil bro.

Wilfriback said:

I wonder if she'll hunt her own salary man or just go for volleygirl's lil bro.

I’m thinking that it’ll most likely be the latter due to being the closest thing to getting Volley-bu herself.