A Storm of Wind and Cloud (2022)

They tell about the same time period and even some places are the same. Both mentions on education but Youth in the flames of war's main focus is on education and have less battle scenes. Both of their main focus is not romance but war and political situation. Both have bromance. The tension between nationalist and communists are mentioned in both.

Both have strong Bromance
Both are rebublican era drama
Both have war against Japanese
Both have lots of Angst

Same time periods.
Both male lead are soldiers (one in air other one in land)
They both have romance and side couples but main focus is war and people.
They both mention family and friendship relationships and how it is affected by war.
Battle of Changsha has less political mentions and propoganda.
Battle of changsha has more tragedy but acting and cinematography better.

Both republican era drama
both have Bromance and also romantic relationship
both deals with War

Both are republican era dramas
Both dramas have romantic relationships and Slight Bromance
both deal with war an fighting the enemies

Both are republic communist era, young people fighting protecting their own people their own country, unfortunately own people fighting own people, many good people got killed. Young people sacrify love to protect country that seems to have never ending wae

Same male lead in both
same republican era in both
same fighting by smartness in both
they have amazing bromance ,,male friendship
also have good romantic stories not heavy on the romance

Both republican dramas are set in the middle of the Chinese civil war. Therefore, the rising tensions between nationalists and communists are essential for the storylines.