Been waiting for this couple's story ever since Arisu first made an appearance and kissed ...

which chapter was that? it's been a while for me ^^'

Here:

Arisu's brief 1st appearance

http://www.mangago.zone/read-manga/dakaretai_otoko_ichii_ni_odosarete_imasu/mf/v04/c022/?ONrU

Here's the longer version

http://www.mangago.zone/read-manga/dakaretai_otoko_ichii_ni_odosarete_imasu/mf/f8124d2c1659057294a8463ae6739f9d_chapter-34/pg-1/

thank you (づ￣ ³￣)づ

You're very much welcome! Just pay it forward.