Prequel: http://www.mangago.me/read-manga/azami/
Main Story: http://www.mangago.me/read-manga/sabita_yoru_demo_koi_wa_sasayaku/
Sequel: http://www.mangago.me/read-manga/renai_rubi_no_tadashii_furikata/bt/ebd618fe1b9ef76dd5ee458671769b51_chapter-4/pg-2/
Other sequel: http://www.mangago.me/read-manga/hadakeru_kaibutsu/
http://www.mangago.me/read-manga/sabita_yoru_demo_koi_wa_sasayaku/
Kan-chan's story (You get to see him with someone else along with his regrets):
http://www.mangago.me/read-manga/renai_rubi_no_tadashii_furikata/bt/ebd618fe1b9ef76dd5ee458671769b51_chapter-4/pg-1/
Kan-chan's story (goes back to the first story events):
http://www.mangago.me/read-manga/hadakeru_kaibutsu/
Kan-chan and Yumi's story (prequel before the events in Sabita Yoru demo Koi wa Sasayaku happened and how Kan-chan became abusive):
http://www.mangago.me/read-manga/azami/
yay!!! this is it! arigato!
arigato!!!!
konnichiwa! minna please help me! who can remember this yaoi about an abused uke. they were together since highschool. but this boyfriend became abusive as a result of bullying at his workplace. then uke found his junior highschool first love and you know what happened next. and as a sequel, this abusive boyfriend also found new love! onegai minna! arigato!