Washiwashi and Yui end up going into Misha’s very special room that no one is allowed to enter. Misha finds out that someone entered the room without permission and Tsubame immediately takes the blame, saying that she was the one who entered the room. Misha ends up going into the room and locking herself in. Yasuhiro gets a call about this and comes home. Why doesn’t Misha want anyone to ever enter that room?
Yasuhiro suddenly tells Misha that he managed to get some time off, and he wants to go to a hot spring. She doesn't want to go, but then Yasuhiro tells her that it's a famous capybara hot spring that's been featured on TV. Misha's excited, but then starts to worry if Tsubame will try to crash their vacation...
Midori will be working at Misha's house as a maid for a little while along side Tsubame. One day, as Midori tries to head home, a car comes to pick her up. Midori's current living in a high-end hotel that's owned by her parents. Misha gets wind of this and decides she wants to spend a night at Midori's. They convince Yasuhiro and everyone goes to stay over, but...
Yasuhiro doesn't seem to be coming home, and Tsubame doesn't come on weekends, so Misha is looking forward to have a lot of fun on her own... But Tsubame shows up anyway. Yasuhiro is going to be busy with work, so Tsubame will be spending the night. Misha also has an assignment she needs to finish...