不知何时的Memoraĵo
Memoraĵo full physical edition
Physical edition includes a ray dictionary, theme song CD, and drama materials.
Kanako (Koigo series)
A girl who has a conflict with Rin in the Future Arc.
Yuzumi (Koigo series)
An old friend of Rin in the Future Arc.
Memoraĵo at some unknown time
"Memoraĵo at Some Unknown Time" is a follow-up visual novel produced by Sukera Sparo for "Love Language Amrilato," telling the stories of Rin's choices facing the future and the past where Rei and young Luca began living together.