Unaired episodes included in 11th & 12th volume of the Persona 5 the Animation.
#1: Few days after battle against Akechi. Ren, who was helping out with the cafe, saw a cross word puzzle magazine on the table and saw Akechi's handwriting besides a solved crossword "Seigi no Akashi (Sign of Justice)." In order to investigate the meaning, he walks around the street under the cold winter snow while thinking back at the memory with Akechi. The meaning that revealed and Akechi's feeling is...
#2: Valentine's Day Omibus Story featuring Ren Amamiya