[IENE-259] Complete subjectivity! What if erotic language was part of compulsory education, and girls like Kimura Tsuna, Tsukishima Arisu, and Hinata Umi spoke vulgar words?

[IENE-259] Complete subjectivity! What if erotic language was part of compulsory education, and girls like Kimura Tsuna, Tsukishima Arisu, and Hinata Umi spoke vulgar words?