Classroom Opening 1-2-3-4 [full] — Assassination

Highlights the shift toward self-reliance and the students' growing bond with Koro-sensei during the Island Arc. "QUESTION" S2 (Ep 1–14)

The soundtrack for Assassination Classroom (Ansatsu Kyoushitsu) is unique because all four main openings are performed by (Class 3-E Song Unit), a group composed of the voice actors for Nagisa, Karma, Kayano, Isogai, and Maehara. Assassination Classroom Opening Guide Song Title Key Themes 1 "Seishun Satsubatsuron" (Youth Savage Theory) S1 (Ep 1–11) Assassination Classroom OPENING 1-2-3-4 [FULL]

The openings evolve from high-energy, chaotic anthems about the "weirdness" of their situation to more melodic and emotional tracks as the series approaches its conclusion. Seishun Satsubatsuron - Assassination Classroom Wiki Highlights the shift toward self-reliance and the students'

Focuses on the "savagery" of youth and the students' initial struggle to prove their existence through the assassination mission. "Jiriki Hongan Revolution" (Self-Help Revolution) S1 (Ep 12–22) "Bye Bye YESTERDAY" S2 (Ep 15–25)

A bittersweet finale focused on the passing of time, graduation, and the inevitable "goodbye" to their teacher.

Explores the internal questions students face regarding their future, their teacher's past, and the true meaning of "killing". "Bye Bye YESTERDAY" S2 (Ep 15–25)