http://www.mangago.zone/read-manga/kyouju_to_shitsuji_no_shizuka_na_seikatsu/
http://www.mangago.zone/read-manga/gelateria_supernova/
http://www.mangago.zone/read-manga/hima_na_no_de_hajimete_mimasu/
http://www.mangago.zone/read-manga/ookami_papa_wa_hitsuji_tsura_shite_yatte_kuru/
http://www.mangago.zone/read-manga/sensei_wa_butchozura_shite_yatte_kuru/
http://www.mangago.zone/read-manga/honto_yajuu/
http://www.mangago.zone/read-manga/aoi_haru_kai_ito/
http://www.mangago.zone/read-manga/makkurayami_de_kimi_to/
http://www.mangago.zone/read-manga/renai_rubi_no_tadashii_furikata/
http://www.mangago.zone/read-manga/serenity_film/
they're all lighthearted reads that helped me to relax before, hope they help you too!
http://www.mangago.zone/read-manga/doushiyoumo_nai_keredo/
http://www.mangago.zone/read-manga/motoyan_papa_to_hitsuji_sensei/
http://www.mangago.zone/read-manga/shiba_kun_to_shepherd_san/
http://www.mangago.zone/read-manga/asatte_ni_kiss/
http://www.mangago.zone/read-manga/mayonaka_no_oyatsu/
http://www.mangago.zone/read-manga/mother_s_spirit/
http://www.mangago.zone/read-manga/koi_saku_potager/
http://www.mangago.zone/read-manga/itadakimasu_gochisou_sama/
http://www.mangago.zone/read-manga/idol_kun_wa_koi_wo_shiranai/
http://www.mangago.zone/read-manga/uchi_no_ouji_irimasen_ka/
http://www.mangago.zone/read-manga/mayoke_no_darling/
http://www.mangago.zone/read-manga/moon_and_sun_abe_akane/
http://www.mangago.zone/home/mangalist/259641/
All of these are so heart-warming and fluffy! Hope you can be happier after reading these!! (づ ̄ ³ ̄)づ
Please give me something that made you happy. Really really happy. I'm having a hard day.