Falling asleep at her desk isn't exactly new territory for Yuu - what is unusual however is her awakening to find that Haruka has left without her.
Unbeknownst to Yuu, it seems that Haruka has some business with her sister, taking her (amongst others) to a nearby coffee shop - not the smartest idea it seems, as the place is teeming with students who have all had a similar idea. The reason for