Ep 4. Special A - 04 - Brothers . Teacher

The episode "Special A - 04 - Brothers. Teacher" of the anime series Special A revolves around the protagonist, Hikari Hanazono, and her rivalry with Kei Takishima, who is the top student in their elite academy. In this episode, Hikari's younger brother, Kaoru, transfers to the school and joins the ranked class.

Kaoru idolizes his sister and believes she is unbeatable. However, Hikari perceives her brother as "not good enough" to be in the same league as her. She asks Kei to mentor Kaoru, but Kei refuses, claiming that he only has eyes for Hikari. Nonetheless, Hikari manages to persuade Kei to tutor Kaoru, and this causes tension between the two as Kei tries to help Kaoru gain the upper hand over Hikari.

Meanwhile, their homeroom teacher who is also a former student of the academy, Fuyumi Yahagi, returns to school as a faculty member. As a teacher, she looks out for her students' well-being, even though she struggles with her own sense of belonging. She becomes involved in the wager between Hikari and Kei, but takes it upon herself to intervene and put an end to their competitive spirit.

The episode also explores the dynamic between Hikari, Kei, and their classmates in the Special A class. As the top students in the academy, they have a sense of camaraderie but are also fiercely competitive with each other. Hikari's feelings for Kei are put on full display in this episode as she tries to understand why she feels so drawn to him while simultaneously wanting to defeat him.

Overall, "Special A - 04 - Brothers. Teacher" is a character-driven episode that propels the plot forward while also revealing new layers to the already complex relationships between the show's main characters.