MicroHolic
I Will Go to School:
The guy's in high school and that's generally the cut-off, age wise...right? Well, the teacher has loli-teacher syndrome, so I guess it kinda cancels out.
It's Not Like We're Going Out, But...:
Kirihara's boyfriend wants to keep a secret that they're going out, so from now on no mater what happens, she says "We are not going out".