Actually there're many memory lost theme, some are partial or distorted memory.
http://www.mangago.me/read-manga/mou_ichido_nando_demo/
http://www.mangago.me/read-manga/toki_no_maigo_o_sagashite/
http://www.mangago.me/read-manga/nekoka_danshi_no_shitsukekata/
http://www.mangago.me/read-manga/kowagaranai_de_soba_ni_ite/
http://www.mangago.me/read-manga/doubt_nishimura_shuuko/
http://www.mangago.me/read-manga/koujitsuei_no_tobira/
http://www.mangago.me/read-manga/gives/ - super Tragic
Hi (=・ω・=) I'm looking for a yaoi where (best if uke) lost him memory. I already read Dear Myself, Punch up and some others but I don't remember the titles ( ̄∇ ̄") but I'm want something similar ٩(๑❛ᴗ❛๑)۶