http://www.mangago.me/read-manga/mr_liar/
Not sure If this it it but, It seemed to give off the same vibe
Want to read some completed bl webtoons (colored)
http://www.mangago.me/read-manga/a_shoulder_to_cry_on/?7Fpe
http://www.mangago.me/read-manga/all_about_lust/
http://www.mangago.me/read-manga/truth_or_dare/
http://www.mangago.me/read-manga/k_s_secret/
http://www.mangago.me/read-manga/love_me_dramatically/
http://www.mangago.me/read-manga/wolf_in_the_house/?PTww
http://www.mangago.me/read-manga/playtime_with_hakdo/
http://www.mangago.me/read-manga/like_a_tidal_wave_from_pheromone_shower/
Whats the name of back to you (which is available on webtoon app) here ?
why don't you read it on the webtoon app then.... you can support the author and stuff and it's free
https://www.webtoons.com/en/drama/back-to-you/list?title_no=2113&page=1
https://m.kuaikanmanhua.com/mobile/5046/list/?module_type=4&module_title=%E5%90%B8%E8%A1%80%E9%AC%BC%E7%BE%8E%E7%94%B7%E5%A4%AA%E6%92%A9%E4%BA%BA%EF%BC%81&module_id=64
Omg tysm