do you guys reckon the reason he still keeps the tattoo is because he is still attached to that dude?
No, there's a new character (the one he's smoking next to in the end) he falls in love with who likes his tattoo. Read Chou to Hana no Kankeisei by the same author for context.
do you guys reckon the reason he still keeps the tattoo is because he is still attached to that dude?