i remember i think they were in high school and they visited an aquarium one of the girls had pink hair and the other girl had black hair
This one has characters matching your description and there is a chapter where they visit an aquarium: http://www.mangago.zone/read-manga/eventually_i_will_become_yours/
i remember i think they were in high school and they visited an aquarium one of the girls had pink hair and the other girl had black hair
This one has characters matching your description and there is a chapter where they visit an aquarium: http://www.mangago.zone/read-manga/eventually_i_will_become_yours/