https://soundcloud.com/thashadowww/bocchi-the-rock-seisyun-complex-by-kessoku-band-full-original-opening-song here's the opening theme song

Bocchi The Rock - Guitar Loneliness and Blue Planet! By kessoku band [Official Song]

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Bocchi The Rock - Seisyun Complex By Kessoku Band [Full Original Opening Song]