AEMUJIGU

Somewhere in the vast, vast universe, there exists another Earth that looks exactly like the one we live on. That place is Aemu Earth. The people of Aemu Earth do not fall in love. There, love is a disease, and any act that induces love is illegal. But one day, the number of people suffering from an inexplicable “love sickness” begins to rise on Aemu Earth...(Source: Naver, translated) — Description from AniList community (anilist.co).