Hi, I am making this post for anyone who likes to know when a certain event takes, such as first kisses when the leads get together if there are any breakups, and anything else that pertains to the show. WARNING this post WILL contain spoilers, so please do not view it if you want the surprise factor in your watching. Okay now here are some timestamps/spoilers for A Business Proposal:

Ep 2. The main leads' first kiss

Ep 4. Kang Taemoo realizes that Shin Hari is Shin Guemhi

Ep 6. The audience learns about why Taemoo hates being in the rain

Ep 7. Taemoo confesses to Hari; Sunghoon and Youngseo become a couple

Ep 8. Shin Hari and Kang Taemoo become a couple

Ep 10. Granddad finds out that Shin Hari is Shin Guemhi