*In Sebastian's bedroom there's a poster of a character that resembles a Harvest Moon protagonist.
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*Even if you've already given Sebastian the [[Bouquet]], and the social Tab shows him as "Boyfriend", it might occur that he asks you if you are single.
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*On Fridays, [[Robin]] might say "I found an ashtray in Sebastian's room, and it smelled really weird. Should I be worried about this?".这意味着他可能吸大麻。
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*Dialogues when raining and during winter suggest Sebastian has an interest in frogs. This is confirmed in his 14-Heart event.
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*Sebastian is the only villager to like [[Flounder]] as a gift. This may be a reference to The Little Mermaid, specifically the characters Flounder and Sebastian.
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*Sebastian loves [[Pumpkin Soup]], which is a recipe the player can receive from Robin at 7 Hearts. This suggests he loves his mother's cooking.