Please consider the underlined sentence (other text is given for context):

俺、さっきまでゲームして寝てたはずで、親丸がかえの高校生だったんだぞ。

I know that 親丸 means "parents circle" and 高校生だったんだぞ means "was a high school student", but how does がかえ transition or connect this sentence together? が　かえ can be inferred as "went" but I don't understand how this is actually connecting.

Please consider the sentence highlighted in bold (other text is given for context):

俺、さっきまでゲームして寝てたはずで、親丸がかえの高校生だったんだぞ。

I know that 親丸 means "parents circle" and 高校生だったんだぞ means "was a high school student", but how does がかえ transition or connect this sentence together? が　かえ can be inferred as "went" but I don't understand how this is actually connecting.

Please consider the underlined sentence (other text is given for context):

俺、さっきまでゲームして寝てたはずで、[親丸がかえの高校生だった]{LLLLLLLLLLLL}んだぞ。

I know that 親丸 means "parents circle" and 高校生だったんだぞ means "was a high school student", but how does がかえ transition or connect this sentence together? が　かえ can be inferred as "went" but I don't understand how this is actually connecting.

Please consider the underlined sentence (other text is given for context):

俺、さっきまでゲームして寝てたはずで、親丸がかえの高校生だったんだぞ。

I know that 親丸 means "parents circle" and 高校生だったんだぞ means "was a high school student", but how does がかえ transition or connect this sentence together? が　かえ can be inferred as "went" but I don't understand how this is actually connecting.

親丸がかえの高校生だったんだぞ。

I know that 親丸 means parents circle and 高校生だったんだぞ means was a high school student but how does がかえ transition or connect this sentence together.　 が　かえ can be inferred as went but I don't understand how this is actually connecting.

Please consider the underlined sentence (other text is given for context):

俺、さっきまでゲームして寝てたはずで、[親丸がかえの高校生だった]{LLLLLLLLLLLL}んだぞ。

I know that 親丸 means "parents circle" and 高校生だったんだぞ means "was a high school student", but how does がかえ transition or connect this sentence together? が　かえ can be inferred as "went" but I don't understand how this is actually connecting.