Saint Estera Gakuin no Shichinin no Majo: Majo no Uwasa tte... Kiita Koto Aru?

This story is about Yukito, a young man who enters a high school that specializes in producing potential adopted children for wealthy families who need a successor. There, rumors about 'witches' fill the halls, and students vanish on a regular basis. Just what awaits Yukito in his new environment?

(Source: VNDB)