Cross And Crime
RAW: https://raw.senmanga.com/Cross_and_Crime
Oni to Tengoku
The third volume posted here is actually posted as an individual under the title ''Oni to Tengoku Sai'' and its the sequel. Same goes for the fourth. Series Timeline in order: 1) Oni to Tengoku (Vol 1 & 2) 2) Oni to Tengoku Sai (Vol 3) 3) Oni to Tengoku Kyuu (Vol 4)
I Should Never Have Lived With An Honor Student
https://www.mangaupdates.com/series/3nofne3/yuutousei-to-dousei-nanka-suru-n-janakatta Yuutousei ni Sex Nanka Oshierunja Nakatta (Prequel) Kuzu no Kyouiku (Main Story)
Deep Love - Pao no Monogatari
I never would have thought I'd pick a manga revolving around dogs or animals in general that has a tragedy tag but here I am. It's such a meaningful story and deeply connected with the original story - Ayu no Monogatari, that you just have to read it. Even more so if you were following the series.
At the End of the Road