Urethra play

«◈[]◈» Urethral Play
http://www.mangago.zone/read-manga/escape_from_the_night/ - Hottest Sounding Scenes Ever!
http://www.mangago.zone/read-manga/free_dj_can_haruka_have_sex_with_rin_after_suddenly_turning_into_an_odd_little_lifeform/ - HAHA+ (⌒▽⌒)
http://www.mangago.zone/read-manga/pick_up/
http://www.mangago.zone/read-manga/you_re_my_loveprize_in_viewfinder/
http://www.mangago.zone/read-manga/hua_hua_you_long/
http://www.mangago.zone/read-manga/punch_up/
http://www.mangago.zone/read-manga/punch_up_returns/
http://www.mangago.zone/read-manga/love_trial/ - 2nd story
http://www.mangago.zone/read-manga/wake_me_up/ - Shota
http://www.mangago.zone/read-manga/kuroshitsuji_dj_cheshire/ - Shota
http://www.mangago.zone/read-manga/i_m_falling_in_love_with_your_magic/an/i-m-falling-in-love-with-your-magic-chapter-3.html - Shota
http://www.mangago.zone/read-manga/kairaku_han_i/tr/75353/page/
http://www.mangago.zone/read-manga/gintama_dj_ero_ga_tarinai/mi/mi_chapter-1/

＼(≧▽≦)／ I also have one too
http://www.mangago.zone/read-manga/namida_hanamizu_gusyogusyo_danshi/

Great! HA+ (=´∇`)人(´∇`=)

In the first chapter:

http://www.mangago.zone/read-manga/you_re_my_loveprize_in_viewfinder/mh/v01/c001/

Feel free to look here (read descriptions) to find what you want. It also has manga listed from another website with the same subject matter: http://www.mangago.zone/home/mangalist/43075/