It was interesting read *･↝seme had friend Kota who always sick on bed he always been with him since he couldn't go to school or play to make friends seme's mother since young age made him befriend with Kota , when in highschool he died of sickness he couldn't get over him he thought he likes him in romantic way but his friend's letter coming to him after 10 years of his death, seme is teacher now that suspicious kid(•uke),who made same treasure as his friend always mentioned, seme got curious to know him why he knows his friend Kota so much he made deal if he make love to him he will tell him everything, later uke turn out to be his former student whom he once teach he loves seme but seme is quite gloomy type and he used this letter way after his graduation to make seme come to him it was selfish act of him to do it , but uke didn't know that whose friend's letter he send was dead it made him responsible to fullfill their last talk and letters, he found those letter in school Library , seme got upset with him but he tried to forgive him slowly, uke on the other hand loves seme so much they end up together.. but it turn out in last letter uke found they find out that seme's friend Kota only think of him as a best friend it become clear it was one sided love from seme. I like this uke even if people say it was selfish of him I mean who is not selfish he didn't know that person is dead. It's good read.
Mistress at a secret base