23/1: tendered letter to jap boss (project manager = PM) at 6pm.
24/1: day 1 morning, senior project manager (SPM) and PM negotiation.
afternoon, general manager (GM) called me back to HQ for negotiation.
25/1: day 2 morning, spoke to PM to proceed with letter.
afternoon, GM called for negotiation.
evening, PM negotiated with me.

Result - climb the corporate ladder.
28 years old, less than 1 year in company, grade 3 engineer.
status............ to be updated.