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sorry ff
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Ff
ff.
http://www.mangago.zone/read-manga/gun_and_heaven/
This came in mind but i dnt remember the window scene
Ff
I found the window scene while reading kizuna
http://www.mangago.zone/read-manga/kizuna/an/kizuna-chapter-Volume%2009.5.html/1/
It revolves around two different types of assasin. One a sniper and the other was like a sneak in type. Anyways I remember it was BL and one Mc was standing looking out the window then a red dot followed his tongue. I know one had a older look appeal.
Thank you for whoever helps