Shamiko promises to visit the zoo with Momo and Mikan and tries making boxed lunches for them. She’ll need help to make something tasty, so Shamiko visits a certain address.
Shamiko's summer vacation has turned out far more hectic than intended. She tries to reclaim some peace in her life, but the looming stack of homework casts a dark shadow...
When Shamiko finds herself in trouble, the one who saves her is none other than Sakura Chiyoda! Meanwhile, Momo takes a certain action to save Shamiko from her nightmare.
Shamiko learns that Lico and Shirosawa have a connection to Sakura and decides to continue working part-time at the café. However, Momo is vehemently opposed to it!
After hearing that Lilith has been sealed for over 2000 years, Shamiko and Momo come up with a plan to let her borrow Shamiko's body and enjoy a day of freedom.
Mikan realizes something — she recognizes the box that seals Shamiko’s dad. That means the factory ruins on the outskirts of town hold clues about Momo’s sister! Maybe.