Ojisan
Summary
This middle-aged man, known simply as Ojisan, is characterized by his perpetual grin and serves as Alpha's closest neighbor and a frequent patron at her café. He operates a gas station while also selling vegetables as a side business. Functioning as a grandfather figure to Alpha, he is also the actual grandfather of Takahiro. Ojisan tends to refer to himself as a bum and harbors regrets about not pursuing a romantic relationship with Sensei during their youth. His true name is never revealed.
