The 3 (currently) visual novels are all set in the world of Eroolia where tension between humans and luccretia's are running high. The current games are: How To Take Off Your Mask (June 2015): "This is Leezera, the capital of Eroolia. Lilia is just an ordinary girl who works in a bakery. She spends every day happily with her childhood friend, Ronan. One day Lilia finds her body has shrunk. Moreover, she has grown cat ears and a tail?! She doesn't know that she's actually a luccretia, a half-human and half-cat creature. She panics, jumps out through her room's window, and runs towards the town. And the first person she bumps into is the city guard, Ronan. " The mask of "Big Sis" and "Luccretia Girl" she wears. The mask of "Lil Bro" and "City Guard" he wears. Which one of them will be taken off first How to Fool A Liar King (October 2017): STORY Regina, our heroine, magically appears in Eroolia. She has no idea how she ended up in Eroolia, and here, she meets Juli and his companions, whom she ends up joining on their journey to Laarz, a country of cat people. Will she be able to return home? Is Regina's presence in Eroolia an accident or is there a purpose behind it? Can she trust Juli who seems to be full of secrets? WORLD SETTING Eroolia and Laarz are the two countries located within the island of Eroolia, which is known as the isolated, cursed island to the outside world. The two countries have terrible relations, as Eroolia, which is mostly occupied by humans, can't get along with Laarz, which is known as the country of the luccretias, the cat people. Ozzwa, the country where Regina is from, is just outside the island of Eroolia and is known for its martial arts. How To Sing To Open Your Heart (January 2019): "Can the cat-eared princess' song rescue her people and find true love?" Princess Myana loves to sing, and believes she can make her people happy with her song. This time, she visits the human's country "Eroolia" as the leader of "Laarz", the country of cat people. Relations between humans and luccretias have never been good, and Princess Myana experiences it herself in Eroolia. Will her song be able to unite the hearts between humans and luccretias? Or as the imperial guard captain, Ludovic, argues, is it better to completely cut off ties between the two countries? All three are different stories, with each story featuring one love interest and one main heroine
I guess the fact that the two routes are based in different states and the second game the two routes are from the perspective of each person