basic well known shoujo

http://www.mangago.zone/read-manga/monokuro_shounen_shoujo/

http://www.mangago.zone/read-manga/takane_to_hana/ (Has been a while I read it so I don’t know if it’s still good)

http://www.mangago.zone/read-manga/i_m_a_villainous_daughter_so_i_m_going_to_keep_the_last_boss/

+ really well known: horimiya ; maid sama (a classic hehe)

akatsuki no yona! well... i consider it to be pretty well-known anyways

http://www.mangago.zone/read-manga/hana_kimi/
http://www.mangago.zone/read-manga/shiawase_kissa_sanchoume/
http://www.mangago.zone/read-manga/special_a/
http://www.mangago.zone/read-manga/shugo_chara/
http://www.mangago.zone/read-manga/card_captor_sakura/
http://www.mangago.zone/read-manga/hana_yori_dango/
http://www.mangago.zone/read-manga/gakuen_alice/