Both are short films with a historical setting about a love story between two girls.
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Both are GL stories. In LOY one of the FLs is half demon, in THYL she is a demon cult leader, while the other FLs are both cultivators with hidden power. The special of LOY and THYL both have the couple meeting again after hundreds of years.

Both are short GL films with the main couple being a demon leader and a cultivator.
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Both are short GL films/advertisements in which the couple has been apart for hundreds of years and reunite with only one remembering.

Both are about a captured merman and the relationship that develops between him and his captor. Both relationships are a mix of love and hate.

Both are GL films.
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Both are GL films.
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Both are GL films, the special of LoY and ASTNL both feature the reincarnations of the characters meeting again in modern times.

Both are GL films.
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Both are GL stories.
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Both are very short GL films.
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Both are very short GL films.
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