Havent read lv999 love for yamada kun yet, but I lovee Horimiya! I think these are pretty similar to it Hope it helps!
https://www.mangago.zone/read-manga/it_s_difficult_to_love_an_otaku/
https://www.mangago.zone/read-manga/nijiiro_days_mizuno_minami/
https://www.mangago.zone/read-manga/gekkan_shoujo_nozaki_kun/
https://www.mangago.zone/read-manga/tomo_chan_wa_onnanoko/
https://www.mangago.zone/read-manga/komi_san_wa_komyusho_desu/
thankyouu!!! btw u should read it, its my personal fav >_<
Yw!~ I’ve seen it so many times, definitely gonna start it soon!
And hope you’re enjoying the recs as well!
any mangas similar to horimiya and my lv999 love for yamada kun. and it will be better if it has >50 ch