Boku no Kokoro no Yabai Yatsu - Twitter comics by Fountains Square (Doujinshi) - Ch. 47.1 - Yamama

[HawkGoggles]

Chapter 63.1, that's the reference.

 

[Subadiver]

thanks for the translation

 

[AztechDan]

Bruh

 

[Tatsuya2n2]

Hmm?!
Hm?!

 

[RealSaMu]

Kinky

 

[Tertium777]

Perhaps this is a working reference?