Similar - detective team, fantasy elements, just similar vibes

similar ML: strong, loving, devoted etc. and FL strong, ambitious and pure heart, etc. Story quite similar.
Character development, love triangle, sword-fight, rivalry between the leads, conflict between lead and parent and/or master,

Similar in - relationship start point and end, bittersweet romance, tragic and growth couple.

Similar in - relationship, more like a vibe of the romance, the ending has similar under the theme, both ML are somewhat different in kind from the FL, FL's are strong and grow. Overall it gave me the same feeling watching both.

similar in - comedy , fantastic funny romantic setting, sweet couple, time travel, both have 2 seasons, in both the FM is strong & cheerful, in both the ML is sweet etc.

Similar in
- themwork
- great cemistry ML - FL
- tint of humor to dramatic stories
- similar ML - stoic, righteous etc
- similar FL - thirst for justice, bold, and full of spirit, takes matters into own hands
- tragic backstories
- detective work

Similar in
- Detective work
- Psychological sub theme
- both FL have strong justice spirit
Difference
- one is has a more grim atmosphere while the other is also comedy

Similar in atmosphere story and chemistry.
About the relationship, both are incompatible entities that work together to save people and solve mysteries.
Wonderful teamwork.
Both are horror comedies.

- both FL are sassy, independent,
in both drama the relationship starts with a fake/misunderstood wedding
- in both drama ML are outlaw clan members or hidden identity
- strong couple

similar:
- comedy and romance, in both drama their relationship start with a fake or misunderstood wedding
- both FM are sassy, independent, uses disguise, fight for justice, is hard to catch and are pursued by the ML
- strong couple

Similar
- main characters teaming to find truth and save lives
- knowing about future deaths and trying to prevent it
- fighting against destiny
- subtle affection/romance
- mystery, detective work
Difference
- relives a year/time travel vs seeing the future through ability

Obviously the similarity is about the theme, a robot. Apparently the male protagonist is an actual robot and falls in love with a human girl.