西园百百花

在主角们就读的中学进行实习的音乐大学学生。 表面看上去认真踏实、真心对待教育事业，实际上只是擅长伪装，性格精明世故。 极度偏爱能给自己带来好处的事， 想用最少的付出换取最大回报，是个非常怕麻烦的人。 临近求职，打算先考教师资格证当作后路。

简介来自 Bangumi

"Unmotivated Trainee Teacher (やる気のない教育実習生)" A music college student who becomes a trainee teacher in the middle school the protagonist is attending. Very serious and working hard to become an educator... is what she pretends to be like. She's a rascal who only puts up appearances. She loves anything that will benefit her and wants to have the best results with the least effort. Momoka finds doing anything really bothersome. Having to prepare for adult life, she thinks of getting a teachers' license just in case.

简介来自 VNDB