https://www.mangago.zone/read-manga/cocoon_of_the_heart/ (severe depression)
https://www.mangago.zone/read-manga/a_proxy_painter/ (trauma, anxiety)
https://www.mangago.zone/read-manga/a_thousand_cranes/ (trauma, depression)
https://www.mangago.zone/read-manga/false_memories_lee_gpiee/ (amnesia- idk of this is a mental illness lol)
https://www.mangago.zone/read-manga/stigma_marloong/ (depression)
https://www.mangago.zone/read-manga/silent_color/ (both of them hv mental illnesses and they meet at the mental hospital, I just can't remember what the illnesses were)
https://www.mangago.zone/read-manga/boy_meets_maria/ (trauma)
https://www.mangago.zone/read-manga/hitori_to_hitori_no_3650nichi/ (depression)
https://www.mangago.zone/read-manga/blue_lust/ (depression)
https://www.mangago.zone/read-manga/running_on_empty/ (depression)
https://www.mangago.zone/read-manga/cut/ (depression)
https://www.mangago.zone/read-manga/kokuhaku_no_jikan/ (amnesia)
https://www.mangago.zone/read-manga/smells_like_green_spirit/ (anxiety)
https://www.mangago.zone/read-manga/gomi_yashiki_no_kamakura_san/ (depression)
https://www.mangago.zone/read-manga/kiraboshi_dial/ (claustrophobia-isnt an illness but still talks about mental health)
https://www.mangago.zone/read-manga/the_pizza_delivery_man_and_the_gold_palace/ (anxiety)
https://www.mangago.zone/read-manga/isso_koe_ga_nakattara/ (anxiety)
Hey, the one I’m recommending while does not directly address mental illness, it does heavily Elude to the idea of hoarding problems and some sort of trauma, anyways hope you enjoy, sadly it’s pretty short
https://www.mangago.zone/read-manga/gomi_yashiki_no_kamakura_san/
Specifically any bl stories that tackle mental illness for ex: Ten Count
Any kind of mental illness