Hm, you have to think about the threatening letters addressed to Nina... She's not worried but it's still there. In any case, it's intriguing.
The 4 suspects are for me: Sayaka, Miss Mito (the new teacher), Kaji and Tsujirai.
Sayaka it would be more plausible but it would perhaps be too simple. Miss Mito has just arrived but it is precisely at the time of the threatening letters. Kaji, I wouldn't understand why even if he doesn't know about the magic kingdom, in reality the Tsujiai trail may be plausible, he was rejected by Nina and it wouldn't be easy to find.
The main suspect remains Sayaka who would be the most logical given her behavior, I am also wary of Miss Mito and Tsujiai. Even I can't really imagine a petty Tsujiai. On the other hand, Kaji is a little distant with Ayu, will the fact that he is not taken into confidence turn everything upside down??
On the other hand OMG! Nina and Ayu look beautiful in 6 years😍
We end the chapter with Yuta who is very worried about Nina, will they be able to get closer again?
Excellent volume 3!