It's definitely gained a significant fan base. The interesting characters and engaging plot have contributed to its popularity. Also, the way it combines romance and mystery elements appeals to a wide audience.
There are many sweet love manga recommendations. Here are some of the works I know:
1 " The Strange Classmate Next Seat ": It tells the love story between an introverted otaku and a lively girl. It's warm, interesting, and refreshing.
2 " The Battle of the Date ": Although it is called " The Date ", it is actually a comic-themed manga with a battle theme. However, there are also romantic elements in it. The battle between the protagonist and the enemy is moving.
3." About Me Reincarnating into a Slime ": Although it's not a romance manga, the love story between the male and female leads is very sweet and people can't help but like it.
4 " The Five-Divided Bride ": It tells the story of a boy who studies hard to become a bride and finally succeeds. It's a heartwarming, touching and beautiful story.
5 " My Girlfriend Is an Aerobic Girl ": It was a story about a boy who worked hard to get close to a girl and finally succeeded. It was a heartwarming, interesting, and refreshing story.
The above are some of the sweeter love manga recommendations. I hope you will like them.