Short BLs that need 100+ chapters

cute, innocent, prince uke x possessive, caring, knight seme
Uke has regressed into the past before he was betrayed by his fiance/queen and was executed, but doesn't know that his beloved knight, who he has a crush and who was killed before his death, also regressed
Knight seme now go on a killing spree, eliminating those who had hurt his uke
Uke discovers the seme's possessive nature and come to love his true self
Rate: 10/10

cute, human uke x alien, hot seme
Very short BL that I wish have 100 chapters
Rate: 10/10

talkative, alchemist uke x blank face, homunculus seme with a heart but tries to hide it
A sweet love story between a human and artificial homunculus that brings out the waterworks
Rate: 10/10