Up. Just in case
Not the same manga but it really reminded me of
https://www.mangago.zone/read-manga/otoko_darake_no_isekai_trip_bl_wa_okotowari/
Omg okey!!! So I took the matters into my own hands and found it!!!!
獣人お兄さんただいま発情中！?
Beastman brother is in heat right now!?
Not sure about the eng title but yeah!!!
ε=ε=(ノ≧∇≦)ノ
Might as well put a link, only raw
https://hanime1.me/comic/117455
Anybody know what manga the second page is?