Urgh, kouhei should beat her up for stealing her ticket, too bad she was too worthless to be remembered. I hope that she'll disappear after this chapter and never be seen again, I would truly fucking hate for her to become a regular.
Other than that, I also want to know if this kid is female or male... It's very hard to tell in manga nowadays because authors LOVE to pull that trap/reverse-trap shit, especially when it comes to comedy manga. Honestly, be it personality, face or curves, that kid looks female to me, although a very flatchested one, just look at the shot where this person and iori stands side by side, that ass.. Also, look at the page where the author drew a shot from below of him, chisa and aina, the curves are pretty much identical for all three of them, that's not really how a male should look, even if we do a find a lot of this type of bishounen as well in manga. Would be kind of amusing if that bitch chased a female all along while thinking it was a male. Well, I do think that he's actually male, wouldn't be surprising seeing how this author has a track record of making a character like hideyoshi kinoshita from "baka to test". Stiiilll.... The ending to this chapter seems to suggest that he's into iori in a romantic fashion, so is he a she? Hoooh... Well, even if it was a male, as long as the person looks like a female, acts like a female and whatever else, it will always be good enough in my mind. Who cares if said person has a penis. Doesn't really matter much as long as the personality and appearance is agreeable.
What truly made me think like this was the manga "himitsu no akuma-chan". Truly, if they're that cute, who the fuck cares.