Kumo no Ue de Kiss Shiyou

1-2) Kumo no Uede Kiss wo ShiyouYoung, earnest flight attendant finds himself attracted by the dashing pilot... whose charm also makes the young uke insecure. Will this sex-based relationship survive? Also, why is the dashing pilot kissing someone else after sleeping with the uke?3-4) Zettai FukujuuOn the outside Nachi is a student living with his cousin Shinya for free in exchange he's the "maid". What no one knows, not even his friend Kanda, is that he's also Shinya's sex partner. With Shinya's rude, arrogant behavior to Nachi how long will this "master" and "servant" relationship last? How long will Nachi be able to keep the truth about his relationship from Kanda?5) Kumo no Uede Kiss wo Shiyou extra