Aghhhh, that’s such a hard question... I’ll just leave a link here to some of my favorite ones, in case you’d want to know why it’s so hard to chose one
http://www.mangago.zone/read-manga/ajin/ -new species of people, regeneration, smart main lead, good plot, action
http://www.mangago.zone/read-manga/ganbare_nakamura_kun/ -cute shounen ai, shy/easily misunderstood main, easy to relate to for people with social anxiety, fluffy, nice 90’s style
http://www.mangago.zone/read-manga/blue_period/ -nice art style, gives a look into art school, inspiring
http://www.mangago.zone/read-manga/tomodachi_game/ -smart/twisted main lead, psychological
http://www.mangago.zone/read-manga/tetsugaku_letra/ -it’s somehow magical and realistic, Spanish dance, basketball, nice
http://www.mangago.zone/read-manga/sk8r_s/ -likeable chill Main lead, gives a view into skateboarding
http://www.mangago.zone/read-manga/gunjou_ni_siren/ -nice art, main lead who is easy to sympathize with, baseball, lost dreams, frustration
http://www.mangago.zone/read-manga/jibaku_shounen_hanako_kun/ -cute art, interesting characters, there’s something magical about the atmosphere of the story (must read)
http://www.mangago.zone/read-manga/blue_giant/ -music, inspiration, determined main lead
http://www.mangago.zone/read-manga/canis/ -yaoi with an actually good plot, nice art
http://www.mangago.zone/read-manga/gosu_the_master/ -funny, nice art, historical action, op main lead
http://www.mangago.zone/read-manga/zombie_100_zombie_ni_naru_made_ni_shitai_100_no_koto/ -great/likable main lead, funny, zombie apocalypse
http://www.mangago.zone/read-manga/nami_yo_kiite_kure/ -funny, broadcasting, great art, likable main lead (female)
What is your favorite manga/manhua?(● ̄(エ) ̄●)