I remember doujinshi with same yandere childhood friend design, it has 2 or 3 chapters so far (?) ..
I thought this is something like the manga adaptation, but I guess it's different (because MC girlfriend is tomboy here)
I feel Gerald backstory more explained than in WN, which mean it's better to know his reasoning to "steal" Sandra from his big bro.
Term "steal" maybe too scandalous, because beside his reason for Sandra, Gerald fully responsible what he should do about the future of their family.
Gerald is a...
It's cliche but at least it's start with misunderstanding somehow lol
At least I prefer this development rather than the new girl directly hate mc and annoy the relationship with heroine.
Oooh this is good, it's rare to see the main characters is male teachers in otomege setting and the plot is interesting.
Idk but I bit wish this one-shot can become series.