Besties

Stranger Than Friends, Window to window, Shame application,

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

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

http://www.mangago.zone/read-manga/ichika_bachika/
http://www.mangago.zone/read-manga/ichinose_kun_wa_itsumo_iinari/ (wouldn't consider them best friends. childhood friend ig??)

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