These are a collection of mangas with strong rivalry and simply where strong "bonds" are built.
Most are not meant to be labeled as shounen ai but the BL is REAL for ppl with active imaginations and blessed scenes that keeps us going.
Isekai BL
Reincarnation, Transmigration
Reincarnated in Another World
Reincarnated in a Game World
Reincarnated in a Book World
Transported to Another World
Reincarnated Lover
Multiple Reincarnation
Reincarnated in the Past
Time Travel
Time Rewind
Part 2:https://www.mangago.me/home/mangalist/3123306/
THIS LIST NEEDS SERIOUS CLEANING AND SORTING!!
A COMPILATION OF ISEKAI THEMED BL
MANGAS AND MANHWAS
002–016 time travel
017–021 parallel dimension
022–033 reincarnation
034–062 transmigration
063–090 transportation
091–174 for sorting
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Refer to the Glossary of Terms for the definition
of each isekai subgenre