You and your adoptive father are lovers, but your adoptive father is a sea king.
1.
You travel through time and meet your 18-year-old adoptive father and 5-year-old you.
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2.
You are 18 years old and meet your adopted son from the future.
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3.
You are 16 and realize you are in love with your adoptive father
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Note: First person "you"/0 is not 1/perspective change
Neptune's adopted father 0 (36) × loyal dog's adopted son 1 (23)
The plot has a slow pace and gratifying progress, with extensive memories and psychological descriptions, and the two protagonists switch perspectives.
There is a previous chapter, but it is immature and cannot be published, so I will narrate it in this article.
Neptune's adoptive father is the real Neptune. The two parties maintain an open relationship by default. The age difference is 13. The marks 1 and 0 are rough preferences. The essence is to attack each other without any difference. Run away if you are a germaphobe.
Only nominal relationship but no actual kinship
Intention: Positive, optimistic and courageous to try