Nina goes back to Magic Kingdom during her summer break, but she goes back again because her grandpa’s been nagging her too much. Maya returns too to look for the holy stone which she located near Tsujiai’s family’s beach house. She confesses to him, so she could easily go to his place. (She first thought it was in his house.)
Tsujiai invites Ayu, Nina, and Kaji to his family’s beach house. They played volleyball, swam, went sunbathing… Then Tsujiai sees Maya going to his place. They argued because Tsujiai realized she wasn’t serious about her confession. He told her that she probably doesn’t have anyone she actually likes. Then she got mad, said that she does, and storms off.
Oh, Nina and Maya finds the holy stone, but Maya was the one who was able to get it.
Episode 16
*skips*
Episode 17
Nina makes transformation pills for Ayu and Tsujiai’s pets.
Ayu’s female puppy is really cute when she transformed to a little girl. Tsujiai’s pet’s a male cat and looks older than they are! 
He’s so into Tsujiai. He doesn’t like whoever gets near to Tsujiai including Kaji. Just see the screenshots. This episode makes me think YAOI. XDDD
Episode 18
Waah~ Ayu, Nina, and Yuta in their 8-years-older look… The girls look pretty, but Yuta’s like a young kind of wizard.
Nina gets her second holy stone btw. It’s color blue. Episode 19
Nina’s grandfather bullies Ayu. Even to the extent of transforming himself to Kaji and confessing to her saying that he likes Sakura.
I almost believed that even though it’s kind of unbelievable. XDDD; You barely see Kaji talking to Sakura anyway. He did that to keep Ayu from Nina, but Nina’s not stupid about it. He directly asked if she’s just in the way of Nina. I think Nina’s grandpa only thinks it’s best that they do not spend too much time together. Nina will be leaving in 2 months and it will be really hard for them to separate.Ha, doesn’t that sound yuri-ish? XD;