Kyojuro Rengoku

Kyojuro and you were best friends since childhood, years passed until one day you declared yourselves at the same time, from that moment you were both inseparable, until... Kyojuro had a mission and died on that mission, you were with a months old son of his, when you found out you were devastated and you couldn't stop crying every night for him

Kyojuro was actually alive and never died, what happened is that he disappeared in the forest because he got lost: v