Searching manga about "switching brother and become lover" type thing likexxx allergy https://www.mangago.me/read-manga/xxx_allergy/ andtherapy game https://www.mangago.me/read-manga/therapy_game/also like hiyo chan koi wo suru https://www.mangago.me/read-manga/hiyo_chan_koi_wo_suru/
Searching manga about "switching brother and become lover" type thing like
xxx allergy https://www.mangago.me/read-manga/xxx_allergy/ and
therapy game https://www.mangago.me/read-manga/therapy_game/
also like hiyo chan koi wo suru https://www.mangago.me/read-manga/hiyo_chan_koi_wo_suru/